GIA COLORED STONE ESSENTIALS WITH COMPLETE SOLUTIONS
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Course
GIA COLORED STONE
Institution
GIA COLORED STONE
GIA COLORED STONE ESSENTIALS WITH COMPLETE SOLUTIONSGIA COLORED STONE ESSENTIALS WITH COMPLETE SOLUTIONSGIA COLORED STONE ESSENTIALS WITH COMPLETE SOLUTIONSGIA COLORED STONE ESSENTIALS WITH COMPLETE SOLUTIONSGIA COLORED STONE ESSENTIALS WITH COMPLETE SOLUTIONS
COLORED STONE - ANSWER - Any gem mate...
CHEMICAL COMPOSITIONS - ANSWER - Kinds and relative quantities of atoms that
make up a material.
DURABILITY - ANSWER - A gemstone's ability to withstand wear, heat, and
chemicals.
LUSTER - ANSWER - The appearance of a material's surface in reflected light.
TRANSPARENCY - ANSWER - Degree to which a material allows light to pass through
it.
HARDNESS - ANSWER - How well a gemstone resists scratches and abrasion.
AMORPHOUS - ANSWER - Lacking a regular crystal structure.
, SPECIES - ANSWER - A broad gem category based on chemical composition and
crystal structure.
VARIETY - ANSWER - A subcategory of species based on color, transparency, or
phenomenon.
TOUGHNESS - ANSWER - How well a gemstone resists breaking, chipping, and
cracking.
STABILITY - ANSWER - How well a gemstone resists the effects of light, heat, and
chemicals.
CRYSTAL STRUCTURE - ANSWER - Regular, repeating internal arrangement of atoms
in a material.
CHEMICAL FORMULA - ANSWER - Written description of a material's chemical
makeup.
TRACE ELEMENTS - ANSWER - Atoms in a gem that aren't part of its essential
chemical composition.
PHENOMENON - ANSWER - An unusual optical effect displayed by a gem.
GROUPS - ANSWER - A family of gems from several closely related mineral species.
NATURAL GEMS - ANSWER - Gems produced by natural processes, without human
help.
LAB-GROWN GEM - ANSWER - A manmade (synthetic) gem with essentially the
same chemical composition, crystal structure, and properties as its natural
counterpart.
FEDERAL TRADE COMMISSION - ANSWER - A US government agency that issues
guidelines for the jewelry trade.
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