Exam (elaborations)
GIA COLORED STONE ESSENTIALS EXAM QUESTIONS AND ANSWERS
- Course
- Institution
GIA COLORED STONE ESSENTIALS EXAM QUESTIONS AND ANSWERS
[Show more]
Content preview
GIA COLORED STONEESSENTIALS EXAM
QUESTIONS AND ANSWERS
COLORED STONE - answer Any gem material other
than diamond.
GEMOLOGY - answer The study of gems.
ORGANIC - answer Once living, or produced by a
living organism (plant or animal).
MINERALS - answer A natural, inorganic
substance with a characteristic chemical
composition and usually characteristic structure.
INORGANIC - answer Composed of, or arising
from, non-living matter.
CHEMICAL COMPOSITIONS - answer Kinds and
relative quantities of atoms that make up a
material.
,DURABILITY - answer A gemstone's ability to
withstand wear, heat, and chemicals.
LUSTER - answer The appearance of a material's
surface in reflected light.
TRANSPARENCY - answer Degree to which a
material allows light to pass through it.
HARDNESS - answer How well a gemstone resists
scratches and abrasion.
TOUGHNESS - answer How well a gemstone
resists breaking, chipping, and cracking.
STABILITY - answer How well a gemstone resists
the effects of light, heat, and chemicals.
CRYSTAL STRUCTURE - answer Regular, repeating
internal arrangement of atoms in a material.
CHEMICAL FORMULA - answer Written description
of a material's chemical makeup.
, TRACE ELEMENTS - answer Atoms in a gem that
aren't part of its essential chemical composition.
AMORPHOUS - answer Lacking a regular crystal
structure.
SPECIES - answer A broad gem category based on
chemical composition and crystal structure.
VARIETY - answer A subcategory of species based
on color, transparency, or phenomenon.
PHENOMENON - answer An unusual optical effect
displayed by a gem.
GROUPS - answer A family of gems from several
closely related mineral species.
NATURAL GEMS - answer Gems produced by
natural processes, without human help.
LAB-GROWN GEM - answer A manmade (synthetic)
gem with essentially the same chemical
composition, crystal structure, and properties as
its natural counterpart.
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 GUARANTEEDSUCCESS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83822 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now