Mineral Chemistry

A mineral that looks like a metal is said to have _____ luster.

• shiny

• pearly

• metallic

• nonmetallic

Minerals that are shiny, dull, glassy, or pearly are known to have _____ luster.

• nonmetallic

• metallic

• sparkly

• mineral

Which mineral is the hardest on Earth?

• talc

• graphite

• calcite

• diamond

Inorganic means _____.

• living

• nonliving

• alive

• once living

_____ is one of the most reliable ways to identify minerals.

• streak

• color

• fracture

• hardness

Which mineral is used in pencils?

• calcite

• bauxite

• graphite

• halite

Which mineral is used in baby powder?

• talc

• bauxite

• graphite

• quartz

The color of a mineral's streak is always the color of the mineral itself.

• True

• False

What are inorganic compounds that have a definite crystal structure and definite chemical coposition that are formed naturally on Earth?

• Rocks

• Minerals

• Crystals

• fossils

The Mohs Hardness Scale consists of _____ reference minerals.

• 5

• 15

• 10

• 20