Minerals Quiz: questions and answers

1. A mineral is usually what kind of chemical compound?

Artificial

Natural

Synthesized

2. What is the angles specification of the Triclinic family of minerals?

α=β=90°, γ=120°

α=γ=90°, β≠90°

α≠β≠γ≠90°

3. What is the name of Mg3Si4O10(OH)2, one of the softest minerals?

Gypsum

Calcite

Talc

4. What is the process by which minerals split easily along a flat surface?

Luster

Cleavage

Ketosis

5. What mineral ensures that the nervous system functions properly?

Potassium

Calcium

Zinc

6. Which mineral species does amethyst belong to?

Quartz

Rutile

Olivine

7. Which scale is used for measuring mineral hardness?

A mohs hardness scale

A bruise scale

A Rockwell scales

8. Silicate minerals are subdivided into classes depending upon the degree of:

Dissociation

Elasticity

Polymerization

9. Which essential mineral is present in bones and teeth in abundance?

Phosphorous

Magnesium

Tocopherol

10. Adding HCl to a mineral is called:

A hardness test

An acid test

A solubility test

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