Mineral Review

Which property is the least useful when trying to identify a mineral?

color

Which term describes how a mineral reflects light?

luster

This is the color of a mineral in powdered form.

streak

A minerals resistance to being scratched

hardness

A mineral that is mined for a profit.

ore

A highly prized mineral that is usually clearer and brighter in color.

gem

Which mineral group makes up 90% of all minerals on Earth?

Silicates

Which mineral will bubbles with hydrochloric acid?

calcite

Which mineral will break into thin, flat sheets?

mica

Which mineral tastes like salt?

Halite

Which mineral is the most common mineral at Earth's surface?

quartz

If your fingernail can scratch a mineral, what is the hardness range for that mineral?

1-2.5

What mineral is number 10 on Moh's hardness scale?

Diamond

What mineral is number 1 on Moh's hardness scale?

talc

True or False: A mineral must be inorganic.

True

True or False: A mineral must have a crystal structure.

True

True or False: A mineral must be liquid.

False

What mineral group would Calcite (CaCO3) belong to?

carbonates

What mineral group would Hematite (FeO) belong to?

oxides

What mineral group does Halite (NaCl) belong to?

halides

What mineral group does Gold (Au) belong to?

native

What mineral group does Quartz (SiO2) belong to?

silicates

What metal is extracted from galena?

lead

What metal is extracted from hematite?

Iron

What metal is extracted from Bauxite?

Aluminum

What metal is extracted from Pyrite?

Copper

If a mineral appears dull looking, what kind of luster would it have?

nonmetallic

Which mineral would be magnetic?

magnetite

Which mineral would taste like salt?

halide

What is the composition of a diamond?

Carbon

What is used to get the streak of a mineral?

streak plate

What are the 3 common rock forming minerals?

quartz, feldspar, mica

What is the real name for "fools gold?"

Pyrite