Minerals

Color is the most reliable property you can use to identify an unknown mineral.

• True

• False

Minerals that reflect a great deal of light that shines on them have metallic luster.

• True

• False

A mineral that has a hardness value of 3.5 will not scratch a mineral that has a hardness value of 3.0

• True

• False

Select the TWO rock forming families.

• Silicates and inorganic

• Silicates and non-silicates

• Inorganic and non-inorganic

• Non-silicates and non-inorganic

A mineral that breaks along even surfaces has ______.

• Cleavage

• Density

• Fracture

• Luster

• Streak

________ is the color of a mineral in its powdered form.

• Cleavage

• Density

• Fracture

• Luster

• Streak

________ describes how light is reflected or absorbed by a mineral.

• Cleavage

• Density

• Fracture

• Luster

• Streak

The ________ of a mineral is equal to its mass divided by its volume.

• Cleavage

• Density

• Fracture

• Luster

• Streak

A mineral that breaks along uneven surfaces has _______.

• Cleavage

• Density

• Fracture

• Luster

• Streak

Identify which mineral on the scale is the softest?

• Talc

• Gypsum

• Diamond

• Feldspar