Minerals

Question 1

Formula

Answer 1

A set of chemical Symbols showing the makeup of a chemical compound.

Question 2

Mohs hardness scale

Answer 2

A hardness scale used to classify minerals.

Question 3

Cleavage

Answer 3

The tendency of crystals and minerals to break along definite planes resulting in smooth surfaces.

Question 4

Inorganic

Answer 4

Not delivered from living matter.

Question 5

Streak

Answer 5

The color of a mineral’s powder when rubbed against a porcelain plate

Question 6

Mineral

Answer 6

A substance that is formed naturally in the Earth, is inorganic, has a definite chemical composition and a crystal structure.

Question 7

Luster

Answer 7

The way a surface of a mineral reflects light.

Question 8

Crystal

Answer 8

A solid formation that follows a pattern.

Question 9

Hardness

Answer 9

The ability to be scratched or be scratched by another mineral.

Question 10

Fracture

Answer 10

The appearance of the freshly broken surface on a mineral that has a rough or irregular surface.