6.6c Minerals

How light reflects off of a mineral is called the mineral's

• luster

• cleavage

• streak

• fracture

The color of a mineral in powder form is called the mineral's 

• Hardness

• luster

• specific gravity

• streak

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1

• 8

• 5

• 10

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

• luster

• streak

• color

• cleavage

How do you test the hardness of a mineral?

• Throw it against the wall

• scratch test

• step on it

• kick it until it breaks

What mineral is the softest mineral on Moh's Hardness Scale and the main ingredient in baby powder?

• feldspar

• gypsum

• talc

• kaolinite

A mineral's resistance to being scratched is called?

• streak

• hardness

• luster

• heft

Which is NOT a property used for identifying minerals?

• taste

• streak

• hardness

• color

This property is NOT very useful in identifying a mineral:

• color

• hardness

• luster

• streak

Which mineral property is being shown here?

• luster

• cleavage

• hardness

• streak