Exam (elaborations)
GIA COLORED STONES ASSIGNMENT 10 QUESTIONS AND ANSWERS
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GIA COLORED STONES ASSIGNMENT 10 QUESTIONS AND ANSWERS
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Name: Score:36 Multiple choice questions
Definition 1 of 36
Growth zoning in a colored stone is evidence of _________ ____________.
light refraction
mineral composition
crystal growth
color intensity
Definition 2 of 36
A long, thin inclusion that can be a solid crystal or a hollow tube that might be filled with liquid
or gas.
tree
silk
needle
feather
Definition 3 of 36
What clarity characteristic would usually have the greatest impact on a gem's marketability?
a large, unhealed feather
polish lines
position, relief
under the table
,Definition 4 of 36
An angular, hollow space within a gem that resembles a mineral inclusion.
included crystal
needle
negative crystal
pinpoint
Definition 5 of 36
description for a gem with no inclusions visible to the unaided eye.
severely included
eye-clean
moderately included
blemish
Definition 6 of 36
Partially healed fracture planes.
sweat glands
fingerprints
nails
blemish
Definition 7 of 36
What is the highest colored stone clarity grade?
eye-clean
blemish
emerald
moderately included
, Definition 8 of 36
TIny parallel grooves on a facet surface left by the polishing operation.
polish lines
abrasions
cavity
pinpoint
Definition 9 of 36
Clarity characteristics that affect these three things have the most influence on value.
position, relief
under the table
transparency, brilliance, durability
a large, unhealed feather
Definition 10 of 36
Group of fine needle-like inclusions.
feather
needle
wool
silk
Definition 11 of 36
An important skill for the successful stone buyer is the ability to quickly judge a gem's quality
with the _______________ _______.
scale
unaided eye
magnifying glass
flashlight
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