Barions eliminate the bowtie extinction effect. The following are typical stone bonds frequently found in walls or used for faces on buildings or used for patterns in paving. Picture Jasper is a material marked with colors and patterns that look like "landscape" scenes - thus the name "picture jasper." A perpend is a vertical joint between any two bricks and is usually – but not always – filled with mortar. Essentially, it places a round brilliant pavilion into a fancy shaped gem. Diaspore, 5-star Portuguese round, 10.90 cts, faceted by Stephen Kotlowski. In terms of brick, if one viewed the horizontal paving as if it were the side of a vertical wall one could describe this bond as consisting of a course of one stretcher laid next to one soldier and this pattern is repeated for the course. Mortar     Mortar is a pasty building material composed of sand, lime and cement mixed with water. Weeping Joints  Sometimes the mortar is left to ooze and drip down from the joints between the brick courses. This bond uses alternate headers and stretcher courses. Some simple grooves are used, which are mirrored throughout the pavilion. 0.20-ctw). Studies have shown that the reverse, a step-cut crown over a brilliant-cut pavilion, will often produce the greatest brilliance. The slides required to display the patterns are supplied within a slide library that is provided with the program. © The Gem Trader. The header and stretcher courses alternate throughout the wall. Cabochons can be single cabs or double cabs. This ties the wall to the backing masonry material. The ways in which brick are cut and laid to create decorative patterns are ancient and infinitely varied. They are as intricate and demanding as the patterns found in weaving and embroidery or bead work or inlaid designs in wood. Or Pastel Pink. Natural Stone Pattern Guide 1. Also, since they tend to be deeper than other cuts, they allow cutters to maximize rough and concentrate on color. Mixed cuts may even combine cabbing and faceting techniques. Ashlar Pattern An Ashlar pattern is usually done with squared (quarry cut) stone. For example, a square modified brilliant is a princess cut. This is a family name that belongs to the final owners of the Nakayama mine. Enter pattern name, number, or keywords to search for pattern(s). Barions with round brilliant pavilions, compared to other pavilion shapes, offer greater light discipline inside the gem. This type of course is often used as the top course or cap of garden walls and as window and door sills (horizontal, short, narrow side laid on narrow edge). Patterns¶. It calls for the insertion of a cut half brick or a closure in the center of a square. The following are terms which describe how the brick is set. At Eldorado Stone a national distributor of manufactured stone veneers, ledgestone is always popular. If cut differently from the standard, gems have the term “modified” added to their names. See finished examples of concrete that looks like stone . The narrow side of the brick can be presented to the viewer but usually the wide side of the brick faces up. Licensed under CC By 2.0. Some stones may be cut into cabochons because they’re lower quality or too opaque for faceting. Gem lovers will always drive innovation. The appeal of Jasper is its interesting color patterns and formations. Indeed, there seems to be no end to the imagination of our lapidaries. 1900s topaz and diamond necklace with topaz briolette pendant. The stretcher and soldier alternate on each course but this time their order is reversed on each course. Browse a gallery of nearly 100 photos of natural granite stone along with the names of the granite and technical information about the stone. The stretcher and soldier alternate on each course. A colorless 1.41-ct Mexican opal with a checkerboard top displays its play of color effect when illuminated. It has more scintillation than almost any other cut. 3.23-ctw) and white brilliant-cut diamonds (approx. Shiner   A brick laid on the long narrow side with the broad face of the brick exposed. Public Domain. Photo by Naomi King. They have brilliant facets on the crown and step facets on the pavilion, or vice versa. Follow STONE on Pinterest, Instagram & Facebook. Is it laid down on the narrow edge or the wide edge? Rose cut facet chart. Jasper is an ancient gemstone, and … Consider masonry patterns generic terms. This is used primarily for aesthetic purposes. Mixed cuts combine step cut and brilliant cut styles. Lapidaries cab certain gem species, such as opal and moonstone, to better display visual effects such as play of color, cat’s eye, and asterism. "We are seeing more ledgestone style with many profiles that extend the original look to include more contemporary clean design or a mo… Parts of brickwork include bricks, beds and perpends. Names for bonds are inspired by places: Monterey, Corte Madera, Mediterranean, or taken from nature:  Northern Lights, Snakeskin, Peacock, and borrowed from eras or styles: Regency, Chateau Nouveau, 3-D Cube. 2020 Join our mailing list below to download a FREE gem ID checklist tutorial. The structures that result from generations of these…. This pattern uses a smaller square tile at each corner of a larger square to mimic the look of a spinning pinwheel. No known copyright restrictions. Photo courtesy of Todd Reed, Inc. Another notable vintage cut, the briolette is a faceted teardrop. Accessibility Statement, Join our mailing list below to download a The subtle difference of adding the egg sac is something fish key on. The headers in course are centered above and below the stretchers in the other course. Drunk Brick or Hollywood Bond  After you master the rules, you can break the rules. On a 45 degree angle a stairway of stretchers can be seen. Learn more. Running Board Bond The pattern is the same as a Running Bond in a wall. However, the extra labor required for this is so considerable that this technique is unlikely to see widespread use. This ametrine is an excellent example of a fantasy cut gem. When it comes to deciding on patio materials (brick, flagstone, concrete or wood), not only do you need to choose the best material for your backyard patio, but you must then decide on an overall pattern (especially when using brick or flagstone). (horizontal, long, narrow). One of my favorite Golden Stone fly pattern’s is Clark’s Golden Stone, a fly pattern Lee created 40 years ago. Over subsequent centuries, many jewelry owners had their rose-cut diamonds recut into more fashionable shapes. Flemish Bond A bond consisting of headers and stretchers which alternate in every course. Donald Clark, CSM founded the International Gem Society in 1998. Some cuts have no name at all. However the stretcher is centered on the soldier and the soldier is centered on the stretchers in the courses above and below. For 16th-century cutters, roses maximized the use of flat rough and created gems with more brilliance than previously seen. He received his formal gemology training from the Gemological Institute of America (GIA) and the American Society of Gemcutters (ASG). Ready to learn how to identify gems on your own? Sometimes these bonds bear similar names and designs. While most newly named cuts are just variations on standard cuts, some are unique. Brick laid flat and perpendicular to the face of the wall are called headers. Soldiers stand on one edge of each step. In those cases, they will show creases. Along with dozens of articles for leading trade magazines, Donald authored the book "Modern Faceting, the Easy Way.". Helping the Consumer Choose a Diamond. Agates and Jasper were historically found in the Idar-Oberstein region, and cut and polished by local craftsman. Affiliate Disclosure For example, “modified round brilliant” or “modified emerald cut.” The Barion is an exception to the “modified” rule, because its name already embraces a variety of facet placement styles. Whatever your next project calls for, there’s a Cultured Stone veneer that caters to your sensibilities and budget. Examples of step cuts include emerald and baguette cuts. Each Jasper has a unique color or pattern, lending this gemstone much variety. Fig. The joints of the stretchers center on the stretchers two courses above and below; headers center on headers. Also, popular with the name paver 3 size pattern used for developing various flooring ideas. Today, there are thousands of new designs. Emerald cut. © However, Barion cuts can come in almost any shape and vary widely in their facet arrangements. It’s a simple cut with a radiant pavilion. For over 50 years, Cultured Stone has been the preferred source of manufactured stone veneer among builders and architects who value aesthetic, efficiency, and precision. Plastic Patterns Elastomeric Patterns Bricks and Blocks (19) Fluted Rib (25) Fractured Fin (24) Geometric & Stone Texture (66) Miscellaneous Stone Texture (3) Textured Stone Sheet (28) Stones (118) Ashlar Stone (35) Cobblestone & Fieldstone (30) Dry Stack (18) Running Bond Stone (40) Woods (16) Learn how heating and other aquamarine treatments work. The narrow side of the brick can be presented to the viewer but usually the wide side of the brick faces up. It is a continuous level range or row of brick or masonry throughout the face or faces of a building. Privacy Policy There are weaves such as: Basket weave, Herringbone weave, and Della Robbia weave. A header course consists entirely of headers (horizontal, short, narrow side laid on wide edge). As befits its name, the brilliant cut gives off the most scintillation of any cut. The rowlock or rolok is similar to the header course except that the brick are laid on narrow or face edge. Lake Superior agate cabochon, Minnesota. This is an alphabetical list of some of the names given to quilt blocks throughout history. NAMES RELATING TO COLOR OF THE OPAL, MORE THAN PATTERN. Diagram Name Autopat.zip. There are no regular courses of one height. Softer gem materials may also receive cabochon cuts, since cabs don’t show scratches as easily as faceted gems do. No known copyright restrictions. There’s no limit to shapes or the number and arrangements of facets. Unlike brick, the height and width of the stone will vary. A traditional named cut, the Portuguese cut has several tiers of facets, which create a wonderful display of light. This type of bond is used where strength and beauty are required. Used with permission. A modified princess cut (named PrincessPlus) compared to a standard princess cut. Brilliant cuts consist of triangular and kite-shaped facets that spread outward from the center of the gem. Antique Terra Cotta Firebrick – Sailor Herringbone. Running or Stretcher Bond   The running Bond uses stretcher courses with the joints breaking at the center of each brick immediately above and below. The narrow side of the brick can be presented to the viewer but usually the wide side of the brick faces up. The most common aquamarine enhancements try to turn blueish green stones pure blue. Photo by Astynax.   |   As technology advances, the number of named cuts increases. ... this field empty if you're human: Follow Stone. This type of course is sometimes used for decorative effects over door and window openings and in fireplace facings (vertical, long, narrow). Of course, fashions do turn. Rowlock   Occasionally a special type of course is used for either structural or decorative purposes. This mixture gradually hardens when exposed to the air. Flat facets aren’t the only gem cutting technique available to today’s lapidaries. Sailor      A sailor course is similar to the soldier course but with the wide edge facing out. The following are typical stone bonds frequently found in walls or used for faces on buildings or used for patterns in paving. While a mixed cut, the Barion cut also deserves a category of its own. Such a gem can display a striking “fountain of light” effect. However, this cut gives little fire. Mixed-cut oval citrine. Each horizontal layer of brick in a masonry structure is called a course. FREE The Online Quilt Block Pattern Library. Find a stamped concrete contractor near you. A gem lover and writer, Phoebe holds a graduate gemologist degree from the Gemological Institute of America and masters in writing from Columbia University. It has about 100 pages of basic gemstone information and about 200 pages dedicated to photos and descriptions of over 100 gems and gem materials. They define a general look of the finished product, but each source of either natural stone or manufactured stone will have their own variations on that theme. As you can see from the photo below, the Portuguese requires many facets and considerable labor. Terms of Use Typically, natural stones are polished into double cabochons to maximize weight. Although not well known, scapolite would make an attractive gem material for both jewelry enthusiasts and mineral collectors. The International Gem Society (IGS) is the world's top resource for gem professionals, enthusiasts, and industry content. This color can be soft red colour to pinkish colours Picture Stone Most decorative concrete contractors have their own stamp patterns to choose from based on what has been most popular in their area. Photo by Wela49. Let yourself be inspired by our numerous materials and references. Image by Jasper Paulsen. Rose cuts are now making a comeback due to their vintage appeal. Licensed under CC By-SA 3.0. This made it easy for people to create new cuts. Herringbone Bond This pattern imitates a herringbone weave. Patterns range from very simple (such as a single block - stone) to very complex.Patterns determine what blocks get set into the world as a command, tool, etc operates. She got her start in gemology translating and editing Colored Stone and Mineral Highlights for a professor based in Shanghai. Used with permission. See what’s inside…. The gems are first cut traditionally with flat facets. If one viewed the horizontal paving as if it were the side of a vertical wall one could describe this bond as consisting of a course of one stretcher laid next to one soldier and this pattern is repeated for the course. Description. Will the brick be set flat or will it stand up? Some are political, patriotic or have historical significance. Explore a range of gemological tests… not only will you get familiar with the process but also time-saving shortcuts. Bluestone Pattern Guide 1. 4-ft Wide Walkway. It also resembles a fully rounded pear or a double-rose cut. Quilt blocks names have been derived from every aspect of society. It has relatively little structural value. gem ID checklist tutorial. Nevertheless, as you can see from the picture below, the results are nothing short of spectacular. Mortar is used as a joining medium in brick and stone construction. There are even names for bonds drawn from peoples and stories such as: Macedonian, English Rowlock, Flemish, Cherokee, Roman Curb, and Jacob’s Ladder. Coursed Ashlar lays stone of equal height but unequal length in regular courses. The dimensions of these parts are, in general, co-ordinated so that two bricks laid side by side separated only by the width of a perpend have a total width identical to the length of a single brick laid transversely on top of them. Each course may use stones of a different height, but all stones in one course have about the same height. Many of these newly named cuts are simply a means to standardize common techniques. Cabochons usually have circular or oval shapes. Sometimes, faceters simply use a cut that fits a piece of rough, something that just “works.” The red gem below is a good example of this. Two courses form a series of squares with a closure in the center. Please note that gem cuts in the brilliant style are always called brilliant cuts (for example, “round brilliant”),  while gem cuts in the step style generally have specific names attached to them (for example, Asscher or emerald cuts). This typically results in far greater brilliance than other methods. All rights reserved. Hand cutting isn’t the only way to make precise, concave facets. Course     Setting a course means to arrange in a row. This zip file also includes a lisp file that lets you create and edit your own hatches. Basket Weave Bond This pattern imitates a basic in-and-out weave. When all the brick in the course are laid in this manner, it is called a stretcher course. Dating back to the 16th century, the rose cut has a round, cabbed flat base and a faceted top. Joint     A joint is the mortar bond placed between individual masonry units such as brick, block or stone. Herringbone Pattern. Will the wide side or the narrow side face out? The stone has a light color and a chunky texture that contains all of the colors evenly distributed throughout the stone, without any particular pattern or grain. The stack and soldiers alternate on each course. A square mixed cut is a Barion cut. This has a single hatch pattern in it called ruble with randomly appearing rubble stone wall pattern. In terms of brick, they can be viewed as soldiers. Random Ashlar Pattern This is a type of ashlar construction where the building blocks are laid apparently at random, but usually are placed in a definite pattern which is repeated again and again. Soldier     A soldier course is one in which brick are laid standing on end with the narrow edge facing out. Whether it’s about construction or reconstruction of residence or a commercial area, SUI’s pattern flooring is the best suitable option. In many ways, brick bonds are a lasting illustration of our history. This technique uses large pavilion facets. It looks as if the weft and the warp each had two threads. Pinwheel Bond This pattern imitates the assembly of a pinwheel. Some new cuts are merging a variety of techniques. Bluestone Pattern Guide 4. Alas, there is nothing new under the sun,  at least not in masonry bonds. It has the look of a fairytale cottage. Pastel Red. Lee Clark created a Clark’s Lady Stone a few years ago (2015). Image by Ducky. Does it show the narrow or the wide side? Keep your eyes open and you’re sure to see cuts that are totally unique. It is a variation on a basket weave, but it uses only one brick (or thread) for the weft and warp. Learn how these stones are made and how to distinguish them from…. Written by Richard M. Proctor, the book contains 280 illustrations depicting historical and contemporary examples of pattern, many adapted from such diverse sources as an ancient Peruvian stone amulet, 12th-century mosaics, 13th-century damask, Japanese stencil designs, and much more. These factors, in addition to the fact that the rough must have greater than normal depth, ensure that you’ll only see this cut occasionally. 157-160 round rose, 161 oval rose, 162 drop rose, 164 side view of rose. It. You may have noticed (or if you haven’t yet, you soon will) that many WorldEdit commands take a “pattern” as a parameter. At one time we called it the Walton Weave because Dennis Walton invented the pattern. However, this very rare cesium mineral is a coveted collector’s gem. Learn how to get started with the International Gem Society’s guide to gemstone identification. Round brilliant facet chart. They then have an established method for cutting it that can be referenced and used again. Stone Pattern Guides. View a list of stamped concrete manufacturers that carry stamped concrete products and patterns. Stack Bond All courses are stretchers and all joins are in line. Stay informed of our news and register for our newsletter. One day we discovered the proper name for this pattern. Stamped Concrete Patterns that Mimic Wood, Stone, Brick & More See the most popular stamping patterns for concrete patios and driveways Updated March 25, 2020. consists of a course of one stretcher laid next to one soldier and this pattern is repeated for the course. The brick must be lapped upon one another, to prevent vertical joints from falling over each other. Ashlar Pattern An Ashlar pattern is usually done with squared (quarry cut) stone. Other variety names used will connote specific colors or patterns, such as Fire Agate or Eye Agate. There are now faceting machines that can accomplish this. This type of bond is an artistic rendering of brick courses designed to make the construction appear as very rustic and thrown together. Pattern / Name of pattern . Join our weekly newsletter & get a free copy of the Gem ID Checklist!   |   Antique Terra Cotta Firebrick – Soldier Fence Weave. In faceted gems, these effects would be less visible. Whether in LA, Taipei, or New York, Phoebe spends her time searching for gems to design and being lost in good books. The following are typical brick bonds found on the faces of veneers of buildings. However, this isn’t a standard cutting method). Stone Patterns. Odd courses: soldier, stretcher. The shape and facet types remain the same, but the number and arrangement of facets may differ. While some cut names may describe the face-up, Choosing a Ring Style, Setting, and Metal, Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology), Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID. English Cross Bond or Dutch Bond A form of bond similar to Old English bond. Cabbing these stones would emphasize their color and luster rather than brilliance. Common Bond Sometimes called the American Bond, this is a variation of the Running Bond, with a header course every 5th, 6th, or 7th course. As a group, these creative but less frequently seen cuts are known as named cuts. Used with permission. Sometimes, gem cutters may give them square or rectangular shapes. Home Top . There are two or more colors that complement each other, can be directional or flashy. While the number of facets on each rose cut varies, the face-up shape is almost always circular. It comes in a wide…, Aquamarines are fairly tough jewelry stones, but they do have some weaknesses. The snowflake cut is another refreshingly beautiful new design. 3-ft Wide Walkway. This is frequently used for partitions and veneer and chimneys. Stretcher     Brick laid flat with the long face parallel to the wall are called a stretchers. Bond     A bond is the patterned arrangement of brick or stone in a wall. Join our weekly newsletter & get a free copy of the Gem ID Checklist! It is so laid as always to break joints, each header being placed in the middle of the stretchers in courses above and below. These are popular because they show off the stone’s color and clarity and produce a subtle gleam. The arrangement of Barion-cut facets also creates a characteristic cross-shaped pattern at the center of the stone. Stretchers are centered on stretchers; headers on headers. Used with permission. Faceters can combine the above cutting styles with almost any shape. Coral is the external skeleton of a tiny, plant-like marine animal called the coral polyp. This layout is a popular flooring pattern, especially with ceramic tile or in … (Occasionally, you’ll see a gem with a faceted pavilion and a domed crown. It is used for decorative effects (vertical, long, wide). Barion cut and before and after photos by Peter Torraca. During Victorian times, jewelers often drilled these then-popular gems to use as beads for pendants and earrings. They are still in business selling Tennen Toishi.   |   150 kinds of Marble,Onyx,Limestone,Sandstone,Granite,Slate FROM Pakistan, such as Mango Sandstone,Classic Dune,Buff Grey Sandstone,Sahara Gold Marble,English Jade. Head office STONE. Learn about aquamarine durability and what precautions you should…, Synthetic aquamarines are relatively rare, but gemologists may encounter them. Gemstone Cuts. There are braids such as: Nordic Braid, Scottish Braid, Parquet Braid, Diamond Braid, Appian Braid, Celtic Cross Braid, and Pinwheel. Bluestone Pattern Guide 2. It is one of the most popular gemstone books ever written, with over one million copies sold. There is a Hollywood bond also known as Drunk brick. Many have religious or Biblical names or are inspired by the sky, stars or heavens. Antique Terra Cotta Firebrick – Soldier Herringbone. Home » Learning Center » Gemology » A Guide to Gem Cutting Styles, Course: • Explore a range of gemological tests… not only will you get familiar with the process but also time-saving shortcuts! The bed is the mortar upon which a brick is laid. It’s not nearly as bright as a modern brilliant. Della Robbia Weave Bond This bond is not commonly used. Licensed under CC By-SA 3.0. A trilliant-cut smoky quartz, 8.92 cts, 14.05 x 14.05 x 8.69mm. Their unifying feature, which separates the Barion from mixed cuts, is the quarter moon facets located directly beneath its girdle. This ancient technique is still used in Sri Lanka. The patterns are suitable for laying both interior/ exterior flooring. These types of gems date back to ancient times and have remained popular in the centuries since. Stones of different heights and lengths are laid next to each other. The arrangement of Barion-cut facets also creates a characteristic cross-shaped pattern at the center of the stone. It’s a great fly pattern! Gem cutting and photo by Peter Torraca. The header courses are centered on each other. For some reason, it just catches fish. If you study a stone, you will often … Even courses: stretcher, soldier. The American Society of Gemcutters only had 54 people reach this level. The brilliance and scintillation exceeds anything that can be done with flat facets alone. Does it show the long or or the short side? English Bond The English Bond is a form of bond in which one course is composed entirely of headers and the next course is composed entirely of stretchers. The history of Agate production is closely tied to German town of Idar-Oberstein, which has evolved as an important gemstone center. Guides to Layout Patios, Walkways and Floors. The width of a masonry structure can be measured by stretchers and joints. A triangular gem can have many or few facets, much or little brilliance and scintillation, etc. Quarter closures fill in the gaps making a small square out of each centered soldier and each centered stretcher. Gems polished into domes are called cabochons or cabs. Brickpat.zip. Bluestone Pattern Guide 3. It usually has a step-cut crown as well. The divine cut, a round cutting style, allegedly gives a gem more sparkle, a higher perceived color grade, and a larger face-up appearance than round brilliants. Licensed under CC By-SA 3.0. Though it can be a solid color, it is most often mottled, spotted, ringed, or striped. Natural Stone Pattern Guide 2. The height of a masonry structure can be measured by courses and joints. In the opal industry, you will hear these words spoken to describe an opal. The Ceylon cut has a step-cut pavilion and a brilliant-cut crown. (1) Round brilliant, top view (2) Oval brilliant, top view (3) Rose cut, top view (4) Round brilliant, side view (5) Cushion brilliant, top view (6) Rose cut, side view (7) Step cut, octagon (8) Pear brilliant, top view (9) Step cut, oblong (10) High cabochon, side view (11) Cabochon, side view (12) Lentil-shaped, side view. Turkish (Alternative pattern name(s): Spot, Stone, Agate, Stein, Achat, Caillouté Simple) Wolfe and Muira: Turkish Historically, this is the oldest of Western marbled patterns and dates back to as early as the middle part of the 15th century. © All That Glitters. However, not all named cuts are new. Brick are sticking out or hacked and courses are slanted. When the GemCad program was released in the 1980s, people were able to test their gem cutting designs on a computer before taking a stone to a lap. The stretcher and soldier alternate on each course. Discover the 16 main brick patio patterns (illustrated guide) plus see a gallery of 50 different brick patio designs and ideas. Donald started in the gem and jewelry industry in 1976. Multi fire. Of course, you can also find variations within all shapes. It’s very difficult because it goes against everything a mason has been taught. Ear climbers in 18K yellow gold with rose-cut diamonds (approx. There are always new designs and unusual shapes for gem cutting. See what’s inside…, • Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology), • Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID. Compatible with AutoCAD and LT too! Stamped concrete patterns are used to create the look of brick, slate, flagstone, cobblestone or other patterns on your concrete patio, driveway or other surface. Then, they’re transferred to another machine for an additional set of concave facets. Examples of geologist’s granite are Barcelona, Giallo Atlantico, White Mount Airy, and Luna Pearl. Some have brilliant facets on both crown and pavilion, while others have step cuts on the crown and brilliant cuts on the pavilion. What was once a “no name” cut that just worked for one stone can now become a “new name” cut that could work with other stones. Red Wing pottery refers to American stoneware, pottery, or dinnerware items made by a company initially set up in Red Wing, Minnesota, in 1861 by German immigrant John Paul, which changed its names several times until finally settling on Red Wing Potteries, Inc. in 1936. A cushion-shaped Barion cut with a brilliant pavilion and step-cut crown. In terms of brick, if one viewed the horizontal paving as if it were the side of a vertical wall one could describe this bond as consisting of a course of two stretchers laid in a stack bond next to two soldiers and this pattern is repeated for the course. Colorless pollucites lack fire when cut and are usually small. A row of bricks, when laid in a wall, is called a course. Step cuts consist of rectangular facets that ascend the crown and descend the pavilion in steps. This type of bond is especially popular for residential buildings. Hours of operation of the STONE Showroom. Three courses form a pattern that looks something like a capital I next to a dash: I-I-I-I-I- or a series of the capital H: HHHHH with thread weaving in and out of the crossbar on the H. The wide side of the brick faces up. Triangular facets rise to form a shape like a faceted mound. Gemstones of the World We highly recommend Gemstones of the World by Walter Schumann. Header     A brick laid flat with its width at the face of the wall, or parallel to the face of the wall. Is it vertical or horizontal? In a checkerboard cut, a faceter cuts the gem with square facets, so its crown and table resemble a checkerboard. When a brick is laid down the mason must decide which side of the brick will face outside towards the viewer. Barions eliminate the bowtie extinction effect. A fantasy cut is a popular style of faceting. There is no end to what a lapidary can do with gemstones. International Gem Society LLC. It uses stretcher courses with the joints breaking at the center of each brick immediately above and below. The letters "CSM" after his name stood for Certified Supreme Master Gemcutter, a designation of Wykoff's ASG which has often been referred to as the doctorate of gem cutting.