The most desirable emerald colors are _________ green to green, with strong to _________
saturation and __________ to medium-dark h, vivid, medium️️bluish, vivid, medium
The trade considers emerald to have the finest _________ among colored stones.️️green
Slight differences in hue, tone,...
GIA Colored Stones Assignment 15 Emeralds with comprehensive
questions and answers 2024/2025
The most desirable emerald colors are _________ green to green, with strong to _________
saturation and __________ to medium-dark tone.bluish, vivid, medium✔️✔️bluish, vivid, medium
The trade considers emerald to have the finest _________ among colored stones.✔️✔️green
Slight differences in hue, tone, and saturation can make a great difference in emerald
__________ when other factors are equal.✔️✔️value
emerald's color-causing trace elements are✔️✔️Chromium, vanadium, and iron
Poor ____________ can greatly reduce a finished emerald's value.✔️✔️cutting
transparent✔️✔️Inclusions that make an emerald less ___________ also make it less valuable.
The trade accepts the fact that most emeralds contain eye-visible ____________.✔️✔️inclusions
premium✔️✔️The great majority of emeralds contain filled fractures, so untreated stones
command ____________ prices.
Emerald's fractures are often filled with _____ or ________ or a mixture of both.✔️✔️oil, resin
Gentle scrubbing with warm, ________ ________ is the safest way to clean emeralds.✔️✔️soapy
water
The US and Japan account for about _____ percent of emerald purchases worldwide.✔️✔️75
, The world's emeralds are judged against _______________ finest.✔️✔️Colombia's
Emeralds from ____________ mines generally have fewer fractures than emeralds from other
sources.✔️✔️African
Many countries supply emeralds to the trade, but few actually ________ them.✔️✔️mine
Synthetic spinel triplets are probably the most common emerald _____________ used in
jewelry.✔️✔️imitations
Producers use flux and hydrothermal methods to _______________ emeralds.✔️✔️synthesize
Trapiche emeralds were first discovered in _______.✔️✔️Muzo
The trade term "Zambian" describes emeralds with...✔️✔️more bluish color and darker tone than
"Colombian."
irregular in shape✔️✔️Zambian emerald crystals are typically...
US and Japan✔️✔️Which two countries account for about 75% of emerald purchases worldwide?
To emphasize the bluish green color, cutters orient a fashioned emerald with its
table...✔️✔️perpendicular to the crystal length
Emeralds were discovered in Zambia in the...✔️✔️1930s
One of Colombia's traditional emerald mines is called...✔️✔️Coscuez
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 johndocs. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
