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 6?

Back

Feldspar.

Front

Which mineral has a hardness of 4?

Back

Fluorite.

Front

Which mineral has a hardness of 8?

Back

Topaz.

Front

Which mineral has a hardness of 2?

Back

Gypsum.

Front

Which mineral has a hardness of 10?

Back

Diamond.

Front

What is the hardness of quartz?

Back

7 on the Mohs scale.

Front

What mineral is softer than gypsum?

Back

Talc, which has a hardness of 1.

Front

What mineral is harder than fluorite?

Back

Apatite, which has a hardness of 5.

Front

What is the hardness of calcite?

Back

3 on the Mohs scale.