Mineral Identification

Front

_?_ is determined by scratching a mineral with other minerals.

Back

Hardness

Front

The tendency for a mineral to split along specific planes of weakness to form, smooth flat surfaces.

Back

cleavage

Front

The color of the powdered form of a mineral found by rubbing a mineral against a white tile.

Back

streak

Front

Diamond has a hardness of ___ on Mohs Hardness Scale.

Back

10

Front

What term refers to the regular, geometric shapes that occur in many minerals?

Back

crystal

Front

The tendency for a mineral to break along curved, irregular shaped surfaces refers to?

Back

fracture

Front

Which of the following is NOT a characteristic of a mineral? Options: streak, crystal structure, inorganic, chemical composition

Back

streak

Front

Which of the following must be true for a substance to be considered a mineral? It must be organic, It must be glassy, It must be a gem, It must be naturally occurring

Back

It must be naturally occurring

Front

The softest minerals is _?_

Back

Talc

Front

Which test would be the most inaccurate in determining if a substance found in a California stream is gold? Options: color, streak, hardness, density

Back

color