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Minerals and Their Properties Quiz

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Questions and Answers

What percentage of the earth's crust is made up of silicate minerals?

Less than 30%

More than 90% (correct)

Approximately 50%

Around 70%

What determines the hardness of quartz?

Bonds between silicon and oxygen atoms (correct)

The presence of foreign minerals within its structure

The arrangement of atoms in its crystal structure

Bonds between oxygen and aluminum atoms

What type of minerals do gold and copper belong to?

Native elements (correct)

Feldspar minerals

Silicate minerals

Carbonate minerals

How many oxygen atoms are found in a silicon-oxygen tetrahedron?

4 Signup and view all the answers

Which of the following is an example of a nonsilicate mineral?

Gold Signup and view all the answers

Which test is NOT related to mineral density?

Streak test Signup and view all the answers

Which mineral is known to glow under ultraviolet light?

Fluorescent minerals Signup and view all the answers

What characteristic of a mineral is mainly determined by its relative weight?

Density Signup and view all the answers

What is the hardness of a mineral that can scratch quartz and is scratched by topaz?

7.5 Signup and view all the answers

Which of the following minerals is used to construct early compasses?

Lodestone Signup and view all the answers