Exam (elaborations)
GIA Colored Stones (2)
- Module
- Journalism 190 Test #2.
- Institution
- Journalism 190 Test #2.
GIA Colored Stones (2)
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GIA Colored StonesAragonite - ANS-A crystallized form of calcium carbonate found in nacre.
Calcareous Concretion - ANS-A non-nacreous natural "pearl."
Conchilolin - ANS-The organic "glue" in nacre that holds aragonite platelets together.
Cultured Blister Pearl - ANS-A cultured pearl grown around a nucleus glued under the
mantle tissue inside a mollusk's shell.
Cultured Pearl - ANS-A pearl formed as the result of human intervention in the
formation process.
Hatchery Bred - ANS-Describes mollusks bred in lab tanks and grown in protected
areas rather than collected as adults in the wild.
Mabe - ANS-An assembly composed of a nacre dome, filler, & mother of pearl backing.
mantle - ANS-The organ that lines the mollusk's shell, enclosed it's soft body and
contains the cells that form pearl sacs and secrete nacre.
Mantle Tissue Piece - ANS-A small square of mantle tissue cut from a donor mollusk
and implanted in a host mollusk with or without a bead.
Pearl Sac - ANS-Tissue that encloses an implanted bead necleus and mantle tissue
piece, forms a cultured pearl.
Processor - ANS-A company that prepares cultured pearls for the market.
Surface Chacteristics - ANS-Blemishes or irregularities confined to a pearls surface.
Uniform Strand - ANS-A necklace featuring pearls that are very nearly the same size.
Value Factors - ANS-Features used to judge the quality and value of pearls.
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