What are minerals

You can find out a mineral's ____________________ by seeing what other minerals it can scratch.

• cleavage

• hardness

• crystal

A nonliving solid that has a ____________________ form is called a mineral.

• crystal

• minerals

• luster

Gold,silver,copper and pyrite each have a metallic

• streak

• luster

• streak

Fluorite,talc,diamond,old and quartz are examples of:

• streak

• minerals

• cleavage

The color left behind when a mineral is rubbed across a white tile is its

• streak

• cleavage

• luster

Is a nonliving solid that has a crystal form (a)  

All minerals form in nature under the ground, in caves and even in the air.

• true

• false

Each mineral is made up of the same set of nonliving things called :

• luster

• streak

• minerals

Which is the hardest mineral?