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The other common usage of this setting is known as "bead and bright", "grain setting" or "threading" in Europe, alongside many other names. This is when, after the stone is set as described above, the background metal around the stone is cut away, usually in geometric shapes, resulting in the stone being left with four beads in a lowered box ...
Many gems are crystals which are classified by their crystal system such as cubic or trigonal or monoclinic. Another term used is habit, the form the gem is usually found in. [12] For example, diamonds, which have a cubic crystal system, are often found as octahedrons. [13] Gemstones are classified into different groups, species, and varieties.
A 17th century English lapidary text. The etymological root of the word lapidary is the Latin word lapis, meaning "stone". [6] In the 14th century, the term evolved from lapidarius, meaning 'stonecutter' or 'working with stone', into the Old French word lapidaire, meaning 'one skilled in working with precious stones'. [6]
A small letter or other symbol inscribed on a coin, indicating at which mint the coin was struck. Examples are "S" for San Francisco on U.S. coins, or "A" for Paris on French coins. mint roll Newly minted coins wrapped in rolls of a certain quantity, by the mint or issuing authority. mint set A set of uncirculated coins packaged and sold by a ...
Gem, a format of the RubyGems package manager for Ruby; Gem, codename for the PlayStation Move controller; Gem, the game engine of Best Way; GEM of Egypt, a power shovel used for strip mining; Geminal, in chemistry; Gemini (constellation), in astronomy; Gas electron multiplier, a type of gaseous ionization detector
Signet ring with engraved bezel Ring with an engraved gem in a bezel setting. A bezel is a wider and usually thicker section of the hoop of a ring, which may contain a gem or a flat surface (usually with an engraved design, as in a signet ring). [1] Rings are normally worn to display bezels on the upper or outer side of the finger.
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Collins Gem Dictionary of Biography (1971) Collins GEM is a collection of miniature books and dictionaries by HarperCollins.The original Collins firm published its first dictionary in the year 1824, and its first series of Collins Illustrated Dictionaries in 1840, including the Sixpenny Pocket Pronouncing Dictionary, which sold approximately 1 million copies.