Mohs Hardness Scale

Can scratch 8, but is scratched by 10. What am I?

• Topaz

• Corundrum

• Diamond

Can Scratch 1, but gets scratched by 3. What am I?

• Talc

• Gypsum

• Fluorite

Can scratch Talc, but gets scratched by Calcite. What is the minerals hardness?

• 4

• 3

• 2

• 1

If a mineral can SCRATCH another one, it is -

• harder than the mineral

• weaker than the mineral

• the same mineral

Bigger Numbers on the Mohs Scale scratch the lower numbers.

• True

• False

The Hardness of 5 can scratch-

• 6,7,8

• 6,5,4

• 4,3,2

• 3,6,7

Calcite can scratch -

• Apatite

• Fluorite

• Talc

Can scratch 3 but gets scratched by 6. Who am I?

• Talc

• Apatite

• Topaz

• Diamond