Mineral Hardness

Talc is the softest mineral on Mohs Hardness Scale.

• True

• False

What is # 4 on the MOH's scale?

• Fluorite

• Feldspar

• Quartz

• Calcite

Which mineral is HARDER than quartz?

• Topaz, Corundum, and Diamond

• Feldspar. Apatite, and Talc

• Talc, Gypsum, Topaz

• Diamond, Calcite, Fluorite

Can a penny scratch fluorite?

• Yes 
• No 

What can scratch Talc?

• Gypsum
• Diamond
• Quartz
• All of them

The Mohs scale of hardness serves as a basis for a mineral’s ability to be —

• Burned

• Scratched

• Broken

• Frozen

A mineral's resistance to being scratched is called

• cleavage

• fracture

• streak

• hardness

Diamond is the hardest mineral.

• True

• False

Can a penny scratch fluorite?

• Yes 
• No 

Feldspar is # 6.

• True

• False

Tags

NGSS.MS-ESS3-1