Minerals

Scratching a mineral against a glass plate is a method of determining its __________.

• color

• hardness

• streak

• cleavage

Which mineral property is best illustrated by the following diagram?

• hardness

• streak

• cleavage

• density

Which mineral property is being tested in the following diagram?

• density

• luster

• fracture

• streak

The reflection of light from the surface of a mineral is called __________.

• luster

• streak

• fracture

• color

Describe the luster of the following mineral.

• glassy

• dull

• metallic

• nonmetallic

Which factor determines the crystal shape of a mineral?

• arrangement of atoms

• presence of impurities

• reflection of light

What is the basic atomic structure that forms when oxygen and silicon unite?

• tetrahedron

• sphere

• cube

• cylinder

Which mineral will scratch quartz but not corundum?

• talc

• topaz

• feldspar

• diamond

Which material is made of feldspar?

• plastic pipes

• ceramics

• drywall panels

• iron nails

Which mineral is yellow in color and has a foul odor?

• sulfur

• pyrite

• halite

• talc