Exam (elaborations)
GIA COLORED STONE ASSIGNMENT 22 TOPAZ AND BERYL QUESTIONS AND ANSWERS
- Course
- Institution
GIA COLORED STONE ASSIGNMENT 22 TOPAZ AND BERYL QUESTIONS AND ANSWERS
[Show more]
Content preview
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller selftest. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now