Minerals Review

Multiple Choice

Are minerals solids?

• Yes

• No

Multiple Choice

Are minerals organic or inorganic?

• Organic
• Inorganic
• Both
• None of the above

Multiple Choice

Where do minerals form?

• Earth's crust

• Earth's atmosphere

Multiple Choice

A solid in which the atoms are arranged in a repeating pattern is a........

• fracture

• crystal

• inorganic

• streak

Multiple Choice

When compounds in cooling....... no longer move freely, they may interact chemically to form minerals.

• magma

• streak

• fracture

• cleavage

Multiple Choice

This type of mineral identifier is described as either metallic or nonmetallic.

• specific gravity

• cleavage

• luster

• hardness

Multiple Choice

Mohs scale is used to compare the......of minerals.

• luster

• hardness

• fracture

• streak

Multiple Choice

A mineral's ...... rarely changes, but sometimes does not match its external color.

• luster

• hardness

• cleavage

• streak

Multiple Choice

This type of mineral, Mica has perfect........ in one direction; it breaks in sheets evenly.

• hardness

• fracture

• cleavage

• specific gravity

Multiple Choice

When minerals such as flint and opals break, they have a unique _______with arc like patterns.

• hardness

• luster

• cleavage

• fracture

Multiple Choice

Geologists commonly use ______ as a measure of density for accurate identification of a mineral.

• hardness

• specific gravity

• luster

• fractture

Silicates

*******Silicates make up approximately 96% of the minerals present in Earth's crust.

This is due because silicates are minerals that contains silicon and oxygen. Oxygen is the most abundant element Earth's crust.