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Gia Colored Stone final exam Questions and
Answers
Which of the following is a gem variety? Assignment 1 Ans:
demantoid
A substance that consists of atoms of only one kind is a.
Assignment 1 Ans: chemical element
Which of the following is an organic gem? Assignment 1 Ans:
amber
Many colored stones are mined by. Assignment 1 Ans:
independent miners using small-scale mining methods.
Which group does almandine belong to? Assignment 1 Ans: Garnet
Synthetic gem materials. Assignment 1 Ans: Are not mineral
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A broad gem category based on chemical composition and crystal
structure is a. Assignment 1 Ans: gem species
A natural, inorganic substance with a characteristic chemical
composition and usually characteristic crystal structure is a(n).
Assignment 1 Ans: Mineral
The world's largest gem-consuming market is. Assignment 1 Ans:
United States
Which of the following is amorphous? Assignment 1 Ans: amber
A gem produced by, or derived from, a living organism is.
Assignment 1 Ans: organic
Most gems are. Assignment 1 Ans: minerals
To be a gem, a mineral must be beautiful, durable, and.
Assignment 1 Ans: rare
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Media attention in the 1990s regarding its treatment reduced
consumer confidence in. Assignment 1 Ans: emerald
A natural material that's made up of a mass of one or more kinds
of mineral crystals is a. Assignment 1 Ans: Rock.
Myanmar's famous Mogok ruby deposits were formed by.
Assignment 2 Ans: metamorphic processes.
Heat and pressure transform limestone into. Assignment 2 Ans:
marble
Which gem can crystallize in volcanic rock from gases released by
magma? Assignment 2 Ans: Red beryl
Which is a deposit where gems eroded from the source rock and
remained in place nearby? Assignment 2 Ans: Eluvial
Most gemstones form in the. Assignment 2 Ans: continental crust
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From granite, pegmatite gems get exotic elements like. Assignment
2 Ans: beryllium, boron, and lithium.
Which is a key locality for hydrothermal gems? Assignment 2 Ans:
Ouro Preto, Brazil
Which gem forms by metamorphism? Assignment 2 Ans:
Tanzanite
Emeralds are rarely found in placer deposits because they're.
Assignment 2 Ans: unable to withstand much abrasion.
Most of the gems in Tanzania's Umba River Valley are found in.
Assignment 2 Ans: Placers deposit
A deposit where gems are found in the rocks where they formed is
called. Assignment 2 Ans: primary
Which is a workable alluvial deposit of gem minerals with
economic potential? Assignment 2 Ans: placers
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Gia Colored Stone final exam Questions and
Answers
Which of the following is a gem variety? Assignment 1 Ans:
demantoid
A substance that consists of atoms of only one kind is a.
Assignment 1 Ans: chemical element
Which of the following is an organic gem? Assignment 1 Ans:
amber
Many colored stones are mined by. Assignment 1 Ans:
independent miners using small-scale mining methods.
Which group does almandine belong to? Assignment 1 Ans: Garnet
Synthetic gem materials. Assignment 1 Ans: Are not mineral
© 2025 All rights reserved
, 2 | Page
A broad gem category based on chemical composition and crystal
structure is a. Assignment 1 Ans: gem species
A natural, inorganic substance with a characteristic chemical
composition and usually characteristic crystal structure is a(n).
Assignment 1 Ans: Mineral
The world's largest gem-consuming market is. Assignment 1 Ans:
United States
Which of the following is amorphous? Assignment 1 Ans: amber
A gem produced by, or derived from, a living organism is.
Assignment 1 Ans: organic
Most gems are. Assignment 1 Ans: minerals
To be a gem, a mineral must be beautiful, durable, and.
Assignment 1 Ans: rare
© 2025 All rights reserved
, 3 | Page
Media attention in the 1990s regarding its treatment reduced
consumer confidence in. Assignment 1 Ans: emerald
A natural material that's made up of a mass of one or more kinds
of mineral crystals is a. Assignment 1 Ans: Rock.
Myanmar's famous Mogok ruby deposits were formed by.
Assignment 2 Ans: metamorphic processes.
Heat and pressure transform limestone into. Assignment 2 Ans:
marble
Which gem can crystallize in volcanic rock from gases released by
magma? Assignment 2 Ans: Red beryl
Which is a deposit where gems eroded from the source rock and
remained in place nearby? Assignment 2 Ans: Eluvial
Most gemstones form in the. Assignment 2 Ans: continental crust
© 2025 All rights reserved
, 4 | Page
From granite, pegmatite gems get exotic elements like. Assignment
2 Ans: beryllium, boron, and lithium.
Which is a key locality for hydrothermal gems? Assignment 2 Ans:
Ouro Preto, Brazil
Which gem forms by metamorphism? Assignment 2 Ans:
Tanzanite
Emeralds are rarely found in placer deposits because they're.
Assignment 2 Ans: unable to withstand much abrasion.
Most of the gems in Tanzania's Umba River Valley are found in.
Assignment 2 Ans: Placers deposit
A deposit where gems are found in the rocks where they formed is
called. Assignment 2 Ans: primary
Which is a workable alluvial deposit of gem minerals with
economic potential? Assignment 2 Ans: placers
© 2025 All rights reserved
