Minerals

Which mineral most likely has a shiny appearance?

• Galena

• Quartz

• Feldspar

• Fluorite

What is the hardest mineral in the table?

• feldspar 

• fluorite

• Galena

• Quartz

What is the least reliable clue to a mineral’s identity?

• Color

• Streak

• Luster

• Hardness

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

• Luster

• Color

• Streak

Which mineral will scratch feldspar but not topaz?

• calcite

• Diamond

• Apatite

• Quartz

What can be implied about diamond based on the table?

•  It is the slowest mineral to form.

• It cannot be scratched by any other mineral

• It is the heaviest mineral.

• It has the most defined crystalline structure

Which mineral property is being tested?

• Texture

• Cleavage

• Streak

• Hardness

What is the mineral that came to be called “fools” gold 

• Copper

• Calcite

• Pyrite

• Sulfur

What is the method of identification that involves only visual observations of the mineral?

• Hardness

• Luster

• Density

• Melting point

Which physical property of halite is demonstrated by this pattern of breakage?

• Luster

• Hardness

• Streak

• Cleavage