Minerals
Minerals 2
Minerals 3
Minerals 4
100

A naturally occurring, solid, inorganic compound or element.

Mineral

100

The test that determines what materials a mineral will scratch

hardness

100

a geometric solid having four sides that are equilateral triangles

tetrahedron

100
Why is sugar not considered a mineral

sugar is organic

200

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

crystal

200

The way a mineral will reflect light from its surface

luster

200
valuable substance that can be mined for profit

ore

200

what is a crystal

a solid in which the atoms are arranged in a repeating pattern

300

Minerals containing silicon and oxygen

silcate

300

flat planes that some minerals break along

cleavage

300

valuable minerals that are prized for their rarity and beauty 

gem

300

The most common mineral group

silicates

400

Minerals that break randomly exhibit

fracture
400

the color of a powdered mineral

streak

400
Number of known minerals in Earth's crust

 3000

400

Luster is described in what two ways

metallic or nonmetallic 

500

Minerals that break evenly exhibit 

cleavage 

500

the ratio of the mass of a substance to the mass of an equal volume of water at 4 degrees Celcius

specific gravity

500

How minerals are identified 

by chemical and physical properties

500

Mohs scale records what

mineral hardness