Minerals

Front

A pure, natural, inorganic solid with a crystal structure and a definite chemical composition is...

Back

mineral

Front

What are the characteristics of minerals?

Back

They must have a definite chemical composition, a solid crystal structure, be natural (not man-made), and be inorganic (nonliving).

Front

How are minerals formed?

Back

when lava cools or water evaporates

Front

The color of a mineral's powder when rubbed on a ceramic plate:

Back

streak

Front

How easily a mineral is scratched or scratches other items is its...

Back

hardness

Front

The softest mineral (1 on the hardness scale) is ____. The hardest mineral (10 on the hardness scale) is ____.

Back

talc, diamond

Front

How light reflects off of a mineral. If a mineral is shiny or not.

Back

luster

Front

The geometric pattern of the atoms in a mineral creates its...

Back

crystal structure

Front

The way a mineral breaks apart (jagged, layers, shapes) is its...

Back

Cleavage/ Fracture

Front

Specific Gravity is the density of a mineral compared to the density of...

Back

water