EarthSci LE2 rev

Is ice a mineral?

• Yes

• No

a natural substance composed of different minerals fused together as a solid lump

Lab grown diamonds are not naturally occuring and so they are __.

Clam shells are made of calcium carbonate, and are naturally occurring solids. Is it a mineral?

• Yes

• No

Answer explanation

Minerals must be inorganic. Clam shells are produced by, clams.

Characteristic of minerals where the structure has the same properties throughout

Minerals can have the same chemical composition but in different forms
(i.e. diamond and graphite are different structures of carbon)

• Polymorphism

• Homogenous

• Ordered Internal Structure

• Definite Chemical Composition

Which of the following structures does NOT constitute a mineral?

Mineral-like substances that do not meet all criteria for the definition of a mineral.
(ex. pearls, obsidian, & coal)

quality of light reflected from surface

• diaphaniety

• luster

• streak

• color

least reliable property for identification

• diaphaniety

• luster

• streak

• color