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Glossary B : 50 - 100

Botanical Gems

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Botanical gems are minerals that form from plants or plant material.  Some botanical gems include amber (fossilized tree resin), coconut pearl (a rare, shiny, calcareous, pearl-like mineral that forms inside the coconut, Cocos nucifera), and pearl opal (also called Tabasheer opal, which form in injured bamboo joints).

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Bouton Pearl

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A bouton pearl (also called a blister pearl) is a pearl that developed attached to the inside of the mollusk's shell. This type of pearl must be cut off the shell, and is therefore hemispherical (half a sphere). Because of their shape, blister pearls are mostly used for earrings.

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Brazilian Chain

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A Brazilian chain (also called a snake chain) is a metal chain made up of a series of small, linked cups.

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Bridge Jewelry

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Bridge jewelry is jewelry that "bridges the gap" between fine (precious) jewelry and costume jewelry. An example of bridge jewelry is sterling silver pieces.

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Brilliant Cut

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Brilliant cut stones have 56 facets, 32 facets are above the girdle, 24 are below. Most modern-day diamonds are brilliant cut since it maximizes the amount of reflected light from the stone (its natural fire). The brilliant cut was introduced in the 1600's, possibly by Cardinal Mazarin (1602-1661), a politician and lover of gems.

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Briolette

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A briolette (or drop cut) is a pear-shaped cut gemstone with triangular facets on top.

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Bronze

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Bronze is a metal alloy containing (at least 60%) copper plus tin and other metals.

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Brooch

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A brooch (also called a pin) is an ornament that can be pinned to a garment.

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Brushed Finish

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A brushed finish on a metal's surface is made by rubbing a stiff metal brush across the surface of jewelry, slightly reducing the metal's reflectivity.

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Bruting

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Bruting is the first step in cutting a diamond.  Bruting involves shaping the girdle, which gives the stone its basic shape.

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Bubbles

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Bubbles are spherical or tear-shaped bubbles of gas captured in glass stones.  Bubbles can also be found in resins (like plastics and amber), and much less-frequently in minerals (like quartz, emerald, and topaz).  Looking for bubbles is one way to determine if a gem is glass or a gemstone.

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Bugle Bead

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A bugle bead is a long, thin, tube-shaped glass bead.

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Bulla

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A bulla is an ancient Roman pendant that consists of a rounded container holding an amulet (a good luck charm).  The bulla is worn on a strap around the neck.

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Butterfly Wing Jewelry

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Butterfly wing jewelry is made from real butterfly wings.  A picture is usually painted on the wings, which is then enclosed in glass or plastic and then mounted in metal to make a pin, pendant, or other piece of jewelry.

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Bone

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Bone is animal bone, carved to make beads, pins, bangles, etc.  It superficially resembles ivory, but has a less-complex characteristic internal patterns and a yellower color.

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Bonding

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Bonding is a process in which a colorless bonding agent (like plastic) is applied on and into a porous gemstone to make the stone more durable and give it an enhanced appearance.

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Bolt Ring

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A bolt ring (also known as a spring ring) is a hollow circular metal fastening ring with a spring opening.  It is used to attach two other rings or links of a necklace or bracelet.  The bolt ring was invented early in the 1900's.

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Boke

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Boke is a Japanese term for coral that is rose colored.

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Bohemian Ruby

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A Bohemian ruby is actually a pyrope garnet (and not a ruby at all).

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Bohemian Diamond

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A "Bohemian diamond" is not a diamond at all, it is actually a rock crystal.

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Bog-Oak

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Bog-oak is old oak wood that has been blackened and preserved by being in low-oxygen Irish and Scotish peat-bogs for thousands of years.  Bog-oak was carved and used as inexpensive Victorian era jewelry.  It was also used for decorative objects, bowls, chests, dagger handles, and other decorative items.

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Bookchain

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A bookchain is a metal chain with rectangular links of folded metal, each of which looks like a little book.  This style dates from the Victorian Era, when these chains held lockets.

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Butterfly Spring

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A Butterfly Spring is a thin, flexible strip of metal soldered to the inside bottom shank of a ring. Its purpose is to hold a ring securely on a finger and in an upright position. Butterfly springs are useful for women whose knuckles are larger than the rest of her fingers. The device allows a ring to be sized slightly larger so that it can slip over the knuckle, yet be safe from twirling or falling off the finger.

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Boutique Jeweler

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Boutique Jeweler stores feature lines of jewelry from well known jewelry designers. Boutique jewelers are often the exclusive representative for these designers within particular geographic regions. The jewelry is usually artistic, well made, and their prices reflect this.

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