Minerals

Front

What is the geometric pattern of the atoms in a mineral called?

Back

Crystal structure.

Front

What is a pure, natural, inorganic solid with a crystal structure and a definite chemical composition?

Back

Mineral.

Front

What are the four main characteristics that define a mineral?

Back

1. Definite chemical composition 2. Solid crystal structure 3. Natural (not man-made) 4. Inorganic (nonliving)

Front

How are minerals primarily formed?

Back

When lava cools or water evaporates.

Front

What is the term for the color of a mineral's powder when rubbed on a ceramic plate?

Back

Streak.

Front

What is luster in relation to minerals?

Back

Luster refers to how light reflects off the surface of a mineral.

Front

What is the difference between a mineral and a rock?

Back

A mineral is a single substance with a specific chemical composition, while a rock is a mixture of minerals.

Front

What is the term for the resistance of a mineral to being scratched?

Back

Hardness.

Front

What is specific gravity in relation to minerals?

Back

Specific gravity is the ratio of the density of a mineral to the density of water.

Front

What is the process called when minerals form from the cooling of magma?

Back

Crystallization.