Minerals

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

• hardness

• specific gravity

• luster

• streak

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

• luster

• streak

• cleavage

• fracture

Why is coal not a mineral?

• It's not a solid

• It is man-made

• It is not inorganic

• It is made of carbon

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1

• 5

• 8

• 10

By definition, a mineral has which of the following characteristic(s)?

• definite chemical composition

• crystal structure

• naturally occuring

• all of the above

How do you test the hardness of a mineral? 

• Throw it against a wall

• Step on it

• Scratch Test

• Kick it until it breaks

What mineral is used for pencils?

• Graphite

• Galena

• Magnetite

• Quartz

What mineral is salt?

• quartz

• sulfur

• halite

• calcite

A naturally occurring, inorganic solid with a crystal structure and a definite chemical composition is referring to

• density

• streak

• mineral

• non silicate mineral

The solid, geometric form of a mineral produced by a repeating pattern of atoms

• crystal

• density

• element

• fracture