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

Can quartz scratch calcite?

Back

Yes, quartz can scratch calcite because it is harder.

Front

What is the hardness of gypsum on Moh's Hardness Scale?

Back

2.

Front

Which mineral can scratch talc?

Back

Gypsum can scratch talc.

Front

What does it mean if a mineral can scratch another mineral?

Back

It means the first mineral is harder than the second mineral.

Front

Is copper a mineral made up of a pure element?

Back

Yes, copper is a mineral made up of a pure element.

Front

What is the hardness of calcite on Moh's Hardness Scale?

Back

3.

Front

Which mineral can scratch any mineral softer than 3?

Back

Calcite can scratch any mineral softer than 3.