How are minerals identified?

The way a mineral's surface absorbs or reflects light at its surface is called

• luster
• color
• hardness
• texture

A minerals'______is how it fells to the touch.

• color
• texture
• shape
• size

A mineral that has a glassy look is described as_______?

• translucent
• vitreous
• opaque
• dull

The relative________of minerals can be quickly determined by comparing heaviness.

• specific gravity
• density
• weight
• mass

The color of a mineral in powdered form, known as its_________?

• luster
• streak
• hardness
• cleavage

It is only useful for identifying minerals that are softer then__________?

• quartz
• calcite
• gypsum
• talc

The density of a mineral, or any other material, is it_______divided by it _______?

• length divided by width
• mass divided by volume
• temperature divided by pressure
• weight divided by area

If a mineral breaks with smooth, flat surfaces, it has________?

• hardness
• luster
• cleavage
• fracture

The Mohs' hardness scale ranges from 1 , the hardness of _______ to 10, the hardness of________?

• 1, gypsum; 10, emerald
• 1, quartz; 10, ruby
• 1, talc; 10, diamond
• 1, calcite; 10, sapphire

The term luster refers to how light affects the _______ appearance of a mineral?

• size
• texture
• surface
• color