GIA Colored Stones Exam Preparation for 2025/ 2026
Complete 300 Questions And Correct Answers
|Already Graded A+||Newest Exam!!!
A broad gem category base on chemical composition and
crystal structure is a - Answer-Gem species
The world's largest gem-consuming market is - Answer-
United States
Which of the following is amorphous? - Answer-Amber
Media attention in the 1990s regarding its treatment
reduced consumer confidence in - Answer-Emerald
A gem produced by, or derived from, a living organism is -
Answer-organic
Which of the following is an organic gem? - Answer-Amber
, 2|Page
A natural, inorganic substance with a characteristic
chemical composition and usually characteristic crystal
structure is - Answer-mineral
Which of the following is a gem variety - Answer-
demantoid
A natural material that's made up of a mass of one or more
kinda of mineral crystal is a - Answer-rock
Which group does almandine belong to? - Answer-Garnet
To be a gem, a mineral must be beautiful, durable, and -
Answer-rare
A substance that consists of atoms of only one kind is a -
Answer-chemical element
Most gems are - Answer-minerals
Synthetic gem materials - Answer-are not minerals