GIA Colored Stone Final Exam Guide

With Complete Solution

By what date had Kokichi Mikimoto begun culturing whole pearls - ANSWER

1908

Synthetic gem materials - ANSWER Are not minerals

which of the following is an organic gem - ANSWER amber

which of the following is amorphous - ANSWER amber

a natural material that's made up of a mass of one or more kinds of mineral

crystals is - ANSWER rock

what group does alamandine belong to - ANSWER garnet

A gem produced by, or derived from, a living organism is - ANSWER organic

which of the following is a gem variety - ANSWER demantoid

the world's largest gem-consuming market is - ANSWER the US

a substance that consists of atoms of only one kind is a - ANSWER chemical

element

Media attention in the 1990s regarding its treatment reduced consumer

confidence in - ANSWER emerald

a natural, inorganic substance with a characteristic chemical composition and

usual crystal structure is a - ANSWER mineral

most gems are - ANSWER minerals