Mineral Properties and Identification

According to Mohs Hardness Scale, which of these groups of minerals can scratch fluorite?

• Diamond, gypsum, and quartz

• Apatite, orthoclase, and corundum

• Calcite, quartz, and topaz

• Talc, gypsum, and calcite

Which mineral property is the least useful?

• Color

• Luster

• Density

• Hardness

Magnetite shines and is classified as being metallic. What mineral property is this?

• Hardness

• Color

• Streak

• Luster

A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?

• Fracture

• Cleavage

• Glassy

• Waxy

The special property that causes some minerals to glow is:

• Density

• Reclamation

• Fluorescence

• Specific Gravity

This mineral has a red streak.

• Hematite

• Magnetite

• Sulfur

This mineral has a yellow streak.

• Hematite

• Magnetite

• Sulfur

This mineral has a black streak.

• Hematite

• Magnetite

• Sulfur

The minerals a rock is made up of is referred to as its-

• hardness

• texture

• classification

• composition

Which mineral is the softest?

• diamond

• fluorite

• topaz

• quartz