Minerals

A silicate mineral must contain

• Silicon and oxygen
• Oxygen and carbon
• Carbon and hydrogen
• Silicon and carbon

Fluorescence is

• an uneven, jagged, or irregular break of a mineral
• a special property of minerals that causes some of them to glow
• color of the powder of a mineral
• a mineral that contains oxygen

What is the color of a mineral in powdered form called?

• Gas
• Fracture
• Streak
• Liquid

The hardest known mineral on the Mohs Hardness Scale is:

• Fluorite
• Sypsum
• Topaz
• Diamond

What occurs when minerals break unevenly along curved or irregular surfaces?

• Luster
• Fracture
• Cleavage
• Streak

The ratio of an objects mass to its volume is called

• Fluorescence
• Streak
• Ore
• Density

A naturally formed, inorganic solid that has a crystalline structure is a

• Sulfide
• Sulfate
• Mineral
• Element

Which of the following is NOT true of minerals?

• They are liquids
• They are formed in nature
• They are inorganic
• They have crystalline structure

The process of returning the land to its original condition after minint is completed is called

• Ore
• Reclamation
• Fracture
• Hardness

The special property that causes some minerals to glow is:

• Density
• Reclamation
• Fluorescence
• Specific Gravity