Exam (elaborations)
GIA COLORED STONE ASSIGNMENT 22 TOPAZ AND BERYL QUESTIONS AND ANSWERS
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GIA COLORED STONE ASSIGNMENT 22 TOPAZ AND BERYL QUESTIONS AND ANSWERS
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Name: Score:112 Multiple choice questions
Definition 1 of 112
Topaz treatments commonly involve heating or a combination of ___________ and ______________.
heating, irradiation
polishing, coating
cooling, compression
dyeing, soaking
Definition 2 of 112
Because of its ______________, topaz requires special care in cutting, polishing, mounting, and wear.
transparency
density
hardness
cleavage
Definition 3 of 112
Pink topaz is sometimes called...
pink
emeralds
rose topaz
mystic topaz
,Definition 4 of 112
The most valuable topaz varieties are ________ ____ ______.
blue and yellow
purple and brown
green and orange
pink and red
Definition 5 of 112
The most common aquamarine imitations are treated blue ___________, pale blue ___________, and
synthetic blue ___________ colored by cobalt. (all easily detectable as imitators)
topaz, glass, spinel
sapphire, quartz, zircon
onyx, jade, amethyst
tourmaline, opal, garnet
Definition 6 of 112
_______________ ___________ is possible in topaz with prolonged exposure to heat or sunlight.
color shifting
color enhancing
color mixing
color fading
Definition 7 of 112
Alternative topaz treatments create a ____________ on the stone but don't penetrate it.
core
base
layer
coating
,Definition 8 of 112
Synthetic aquamarine is produced by the _______________________ process.
hydrothermal
evaporation
crystallization
sublimation
Definition 9 of 112
What color is Maxixe beryl?
green
yellow
pink
dark blue
Definition 10 of 112
What are the most significant sources of treatable colorless topaz? ___________ & _____ ___________
Mexico, Japan
Brazil, Sri Lanka
Russia, Canada
India, Australia
Definition 11 of 112
"Bixbite" is another name for...(this name is discouraged as there is another stone called
bixbyite (opaque/black) discovered by Maynard Bixby too.)
red beryl
aquamarine
emerald
dark blue
, Definition 12 of 112
topaz from different sources responds ________________ to treatment.
differently
similarly
uniformly
randomly
Definition 13 of 112
The primary source of heliodor is __________ ________, Brazil. (Other sources are Namibia,
Madagascar and Sri Lanka)
São Paulo
Minas Gerais
Rio De Janeiro
Bahia
Definition 14 of 112
So far, commercial deposits of imperial topaz are found in a single area of the world: __________
___________, Brazil. (Capao Mine)
Ouro Preto
Brasilia
São Paulo
Rio De Janeiro
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