Minerals

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1
• 5
• 8
• 10

How do you test the hardness of a mineral? 

• Throw it against a wall
• Step on it
• Scratch Test
• Kick it until it breaks

How light reflects off of a mineral is called the mineral's 

• luster
• streak
• cleavage
• fracture

What mineral is the softest mineral on Moh's Hardness Scale and the main ingredient in baby powder?

• feldspar
• talc
• gypsum
• kaolinite

Large crystals are going to form

• when lava erupts from a volcano
• when a shallow sea evaporates
• when magma underground cools off
• all of the above

Elements can be man-made.

• True

• False

What mineral is salt?

• quartz
• sulfur
• halite
• calcite

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

• luster
• color
• streak
• cleavage

The color of a mineral in powder form is called the mineral's 

• hardness
• specific gravity
• luster
• streak

The solid, geometric form of a mineral produced by a repeating pattern of atoms

• crystal
• density
• element
• fracture