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LATEST GIA COLORED STONE FINAL EXAM ACTUAL QUESTIONS AND CORRECT DETAILED ANSWERS (100% CORRECT VERIFIED ANSWERS) A NEW UPDATED VERSION | GUARANTEED PASS. (FULL REVISED EXAM)$18.49
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LATEST GIA COLORED STONE FINAL EXAM ACTUAL QUESTIONS AND CORRECT DETAILED ANSWERS (100% CORRECT VERIFIED ANSWERS) A NEW UPDATED VERSION | GUARANTEED PASS. (FULL REVISED EXAM)
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Course
2024-2025 GIA COLORED STONE
Institution
2024-2025 GIA COLORED STONE
LATEST GIA COLORED STONE FINAL EXAM ACTUAL QUESTIONS AND CORRECT DETAILED ANSWERS (100% CORRECT VERIFIED ANSWERS) A NEW UPDATED VERSION | GUARANTEED PASS. (FULL REVISED EXAM)
LATEST 2024-2025 GIA COLORED STONE FINAL EXAM
ACTUAL QUESTIONS AND CORRECT DETAILED
ANSWERS (100% CORRECT VERIFIED ANSWERS) A NEW
UPDATED VERSION | GUARANTEED PASS. (FULL
REVISED EXAM)
which type of twinning looks as if two crystal halves are mirror images -
Answer-contact twinning
crystals that grow in a flux that is highly saturated with the necessary
elements tend to be - - Answer-small
which is classified in the orthorhombic crystal system - Answer-topaz
Which gems are cryptocrystalline aggregates? - Answer-Chalcedony and
turquoise
Atoms in a gem that aren't part of its essential chemical composition
are called - Answer-trace elements
Many fashioned rubies have shallow proportions because they're cut
from - Answer-flattened crystals
Rough spinel often occurs as - Answer-twinned crystals
,Needles of actinolite found in emerald are classified as - Answer-
inclusions
which aggregates crystals are visible only under very high magnification
- Answer-cryptocrystalline
the trace elements that cause corundum's blue are - Answer-iron and
titanium
what element does chromium substitute for to cause ruby's red -
Answer-aluminium
In many blue sapphires, the intervalence charge transfer that causes
the color is between - Answer-iron and titanium
The pattern of dark vertical lines or bands shown by certain gems when
viewed through a spectroscope is called - Answer-absorption spectrum
the process where electrons that selectively absorb light are passed
back and forth between neighboring impurity ions is known as -
Answer-charge transfer
what element causes the color of both alamandine and peridot -
Answer-iron
,the best known and most valuable chatoyant gems is a cat's eye -
Answer-chrysoberyl
which components of a transition element's atom can produce color in
gems - Answer-electrons
which element causes the finest reds and greenest greens in gemstones
- Answer-chromium
By what date had Kokichi Mikimoto begun culturing whole pearls -
Answer-1908
Synthetic gem materials - Answer-Are not minerals
which of the following is an organic gem - Answer-amber
which of the following is amorphous - Answer-amber
a natural material that's made up of a mass of one or more kinds of
mineral crystals is - Answer-rock
what group does alamandine belong to - Answer-garnet
, A gem produced by, or derived from, a living organism is - Answer-
organic
which of the following is a gem variety - Answer-demantoid
the world's largest gem-consuming market is - Answer-the US
a substance that consists of atoms of only one kind is a - Answer-
chemical element
Media attention in the 1990s regarding its treatment reduced
consumer confidence in - Answer-emerald
a natural, inorganic substance with a characteristic chemical
composition and usual crystal structure is a - Answer-mineral
most gems are - Answer-minerals
To be a gem, a mineral must be beautiful, durable, and - Answer-rare
a broad gem category based on chemical composition and crystal
structure is called a - Answer-gem species
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