LATEST- GIA COLORED STONE ESSENTIALS QUESTIONS
AND ANSWERS
COLORED STONE Correct-Any gem material other than diamond.
GEMOLOGY Correct-The study of gems.
ORGANIC Correct-Once living, or produced by a living organism (plant or animal).
MINERALS Correct-A natural, inorganic substance with a characteristic chemical
composition and usually characteristic structure.
INORGANIC Correct-Composed of, or arising from, non-living matter.
CHEMICAL COMPOSITIONS Correct-Kinds and relative quantities of atoms that make up a
material.
DURABILITY Correct-A gemstone's ability to withstand wear, heat, and chemicals.
LUSTER Correct-The appearance of a material's surface in reflected light.
, LATEST- GIA COLORED STONE ESSENTIALS QUESTIONS
AND ANSWERS
TRANSPARENCY Correct-Degree to which a material allows light to pass through it.
HARDNESS Correct-How well a gemstone resists scratches and abrasion.
TOUGHNESS Correct-How well a gemstone resists breaking, chipping, and cracking.
STABILITY Correct-How well a gemstone resists the effects of light, heat, and chemicals.
CRYSTAL STRUCTURE Correct-Regular, repeating internal arrangement of atoms in a
material.
CHEMICAL FORMULA Correct-Written description of a material's chemical makeup.
TRACE ELEMENTS Correct-Atoms in a gem that aren't part of its essential chemical
composition.
, LATEST- GIA COLORED STONE ESSENTIALS QUESTIONS
AND ANSWERS
AMORPHOUS Correct-Lacking a regular crystal structure.
SPECIES Correct-A broad gem category based on chemical composition and crystal
structure.
VARIETY Correct-A subcategory of species based on color, transparency, or phenomenon.
PHENOMENON Correct-An unusual optical effect displayed by a gem.
GROUPS Correct-A family of gems from several closely related mineral species.
NATURAL GEMS Correct-Gems produced by natural processes, without human help.
LAB-GROWN GEM Correct-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 TheeGrades. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.