minerals

A valuable, rare mineral

• ore
• gem
• rock
• bling

Metallic and nonmetallic are two examples of the physical property _______________.

• streak
• color
• luster
• cleavage

Mineral crystals can form from cooling ________

• dirt
• magma
• water
• air

The color of a mineral's powder

• color
• streak
• luster
• powder

Characteristic observed without changing the identity of the material

• luster
• color
• physical property
• specific gravity

Measure of how easily a mineral can be scratched

• fracture
• cleavage
• hardness
• streak

How light is reflected off a mineral

• streak
• color
• luster
• fracture

Ratio of a mineral's weight compared with the weight of an equal volume of water

• specific gravity
• physical property
• luster
• cleavage

This mineral has a cubic shape

• halite
• pyrite
• quartz
• sulfur

This mineral may cause lung cancer

• halite

• sulfur

• asbestos

• corundum