Minerals

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

• hardness
• specific gravity
• luster
• streak

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

• luster
• streak
• cleavage
• fracture

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

The mineral in the picture has a ____________ luster.

• Nonmetallic
• Metallic
• Pearly
• Earthy

Which mineral property is being shown here?

• luster
• hardness
• cleavage
• streak

Refer to the Mohs Hardness Scale. A mineral with a hardness of 7 can scratch -

• orthoclase feldspar, but cannot scratch talc
• calcite, but cannot scratch apatite.
• topaz, but cannot scratch fluorite
• gypsum, but cannot scratch corundum

When we tested minerals in class, we used a nail, a penny, and our fingernail to test the ___________________ of the mineral

• streak

• hardness

The _______________________ of a mineral can be metallic or nonmetallic.

• luster

• color

Jack has a rock. The rock has a mass of 14 g and a volume of 2 cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³