6th Grade Minerals Unit

Hard colorful minerals that have a brilliant or glassy luster are

• Crystals
• Metals
• Ores
• Gemstones

Which property of minerals does the photo represent?

• fracture
• streak
• luster
• cleavage

Steel is an example of a useful

• Alloy
• Ore
• Gemstone
• Crystal

The color of the powdered form of a mineral found by rubbing a mineral against a white tile.

• Luster
• Cleavage
• Streak
• Fracture

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

• luster
• color
• streak
• cleavage

There are 3 ways to mine minerals & they are open pit, shaft & strip

• True
• False

Two ways to test a mineral for hardness: 

• fingernail & steel file
• penny & nail file
• penny & tooth
• fingernail & dime

A gemstone is cut and polished and ready to be made into jewelry. 

• True
• False

A naturally occurring, inorganic solid which has a definite crystalline structure

• Mineral
• Element
• Compound
• Rock

What is a narrow channel or slab of a mineral that is sharply different than surrounding rock?

• Fracture
• Vein
• Crystal
• Ore