Minerals and Rocks

Which of the following is not a useful test for minerals?

• Streak
• Density
• Hardness
• Size
• Fracture

Which of the following is not commonly used to identify MINERALS?

• luster
• hardness
• crystal structure
• texture

According to the Mohs Hardness Scale, a sample mineral that will scratch quartz but not corundum might be ________________.

• Talc
• Talk
• Calcite
• Diamond
• Topaz

A mineral sample scratches a copper penny but not a glass plate might be ___________.

• Talc
• Fluorite
• Topaz
• Diamond
• Gold

Mr. Lewsader picks up a mineral sample and finds that he can scratch his initials in it with his fingernail! Which of the following might it be?

• Gypsum
• Calcite
• Fluorite
• Diamond
• Gold

Flourite breaks cleanly into certain lines. The tendency to break along smooth planes and lines is called....

• Fracture
• Breakage
• Muscovitism
• Cleavage
• Hardness

Luster refers to which of the following?

• How hard the mineral is
• How the mineral breaks
• How the mineral tastes
• How light reflects off the mineral
• The powder, or streak, on a scratch plate.

Sally Knows that the so called "Diamond" ring John gave her is a fake. What should she do?

• See if it scratches glass...if it does then it is probably real.
• See if it scratches glass...if it doesn't it is fake

Sally tells John the diamond is nonmetallic. (not shiny) What is she talking about?

• The luster
• The hardness
• The streak
• How it breaks.

Martha is given a ring by Billy-Bob Moh. She loves carbon and asks for a that ring will not be as hard as diamond, is less dense, and will streak black on a streak plate. Which mineral will be?

• Graphite
• Kaloinite
• quartz
• Galena
• Olivine