Mineral Hardness Identification

Front

What is the Mohs scale of mineral hardness?

Back

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

Front

Which mineral has a hardness of 1?

Back

Talc.

Front

Which mineral has a hardness of 3?

Back

Calcite.

Front

Which mineral has a hardness of 5?

Back

Apatite.

Front

Which mineral has a hardness of 6?

Back

Orthoclase (feldspar).

Front

Which mineral has a hardness of 7?

Back

Quartz.

Front

Which mineral has a hardness of 8?

Back

Topaz.

Front

Which mineral has a hardness of 9?

Back

Corundum.

Front

Which mineral has a hardness of 10?

Back

Diamond.

Front

What is the hardness of Gypsum?

Back

2.