Mineral Vocabulary/ Keith Science

Question 1

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

Answer 1

Mineral

Question 2

The color of a minerals powder when it is rubbed against a porcelain plate.

Answer 2

Streak

Question 3

The way the surface of a mineral reflects light.

Answer 3

Luster

Question 4

Not derived from living matter.

Answer 4

Inorganic

Question 5

A solid formation that follows a pattern

Answer 5

Crystal

Question 6

The ability of a mineral to scratch or be scratched by another mineral.

Answer 6

Hardness

Question 7

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

Answer 7

Cleavage

Question 8

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

Answer 8

Fracture

Question 9

A hardness scale used to classify minerals.

Answer 9

Mohs Hardness Scale

Question 10

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

Answer 10

Formula