Rocks and Minerals

A mineral is a....

• solid,naturally occurring,inorganic with definite properties

• olid,naturally occurring,organic with indefinite properties

• solid, unnatural,organic with indefinite properties

• solid,naturally occurring,organic with definite properties

Which mineral property should you never use to identify a mineral alone?

• luster

• fracture

• color

• streak

Streak is...

• the color of a mineral

• the color of the powered form of the mineral

• solid form of the mineral

• when you break the mineral into pieces

How do minerals get their characteristics? (choose the best answer)

• by how it forms

• color

• streak

• alignment of the atoms within the mineral

Certain minerals break along flat surfaces, while other minerals break unevenly.This is because

• force with which the mineral is broken

• luster of the mineral

• age of the mineral

• internal arrangement of the mineral's atoms i

Which property is most useful in mineral identification?

• color

• hardness

• size

• texture

Which mineral has a nonmetallic luster, fracture, hardness of 6.5 and is dark red to green?

• olivine

• quartz

• sulfur

• garnet

Which statement is best supported by the diagram?

• The mineral apatite will scratch topaz

• A fingernail will scratch calcite

• Calcite will be scratched by a copper penny

• A steel file has a hardness of about 7.5

What mineral has a metallic luster, hardness of 6.5 and is a brassy yellow color?

• magnetite

• pyrite

• calcite

• galena

What is the characteristic of luster?

• the powdered form of mineral

• how it breaks

• how it reflects light

• hardness