Front

Not formed from living things

Back

Inorganic

Front

A solid with atoms in a repeating pattern

Back

crystal

Front

Color of a mineral's powder

Back

streak

Front

A solid with a crystal structure.

Back

Mineral

Front

Scale ranking 10 minerals from softest to hardest

Back

Moh's Scale

Front

Mineral appearance when broken irregularly

Back

fracture

Front

A hollow rock with minerals inside

Back

geode

Front

Narrow mineral deposit differing from surrounding rock

Back

vein

Front

Substance dissolves into another.

Back

solution

Front

Mineral light reflection

Back

Luster