Exam (elaborations)
GIA Colored Stones - Assignment 1 (solvd & updated)
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GIA Colored Stones - Assignment 1 (solvd & updated)
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Colored StoneEssentials 6 (38
questions and
answers)
New synthetics often - answer stimulate
consumer interest in natural gems
In the trade, ""B Jade"" refers to jadeite that has
been bleached and then - answer impregnated
with colorless resin
Clearly and accurately informing customers about
the nature of the goods they buy is known as -
answer disclosure
A treatment that fills and seals voids to improve
appearance and add weight is called - answer
Cavity Filling
The most commonly fracture-filled gem is - answer
Emerald
, Colored stone imitations and the gems they
replace always have the same - answer
Appearance
Any human-controlled process that improves the
appearance, durability, or value of a gem is
considered - answer Treatment
A treatment for bringing out the play-of-color in
opal is - answer Sugar Treatment
If it's possible that a gem has been treated, the
best action is to - answer assume treatment
One of the oldest and most common treatments is -
answer Heat
The treatment that involves exposing a gem to
high temperatures and chemicals to give it a more
marketable color is called - answer Lattice
Using a chemical to lighten or remove color is
known as - answer Bleaching
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