Moh's Hardness Scale

Front

What is Moh's Hardness Scale?

Back

A scale that ranks minerals based on their ability to scratch one another, ranging from 1 (talc) to 10 (diamond).

Front

What mineral is ranked 1 on Moh's Hardness Scale?

Back

Talc.

Front

What mineral is ranked 10 on Moh's Hardness Scale?

Back

Diamond.

Front

Which mineral can scratch quartz?

Back

Topaz.

Front

Which mineral is harder: corundum or orthoclase?

Back

Corundum is harder than orthoclase.

Front

What does it mean if one mineral can scratch another?

Back

It means the first mineral has a higher hardness rating on Moh's Hardness Scale.

Front

Can glass scratch apatite?

Back

Yes, glass can scratch apatite.

Front

Is orthoclase harder than fluorite?

Back

Yes, orthoclase is harder than fluorite.

Front

What is an example of a mineral made up of a pure element?

Back

Copper.

Front

True or False: Topaz can scratch diamond.

Back

False.