Moh's hardness

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 is the hardness level of talc?

Back

1 on Moh's hardness scale.

Front

What is the hardness level of diamond?

Back

10 on Moh's hardness scale.

Front

What mineral can scratch talc?

Back

Fingernail (hardness level 2.5).

Front

What mineral is harder than topaz but softer than diamond?

Back

Corundum (hardness level 9).

Front

What is the hardness level of hornblende?

Back

4 on Moh's hardness scale.

Front

What mineral can scratch a diamond?

Back

Nothing, diamond is the hardest mineral.

Front

What is the hardness level of quartz?

Back

7 on Moh's hardness scale.

Front

What mineral is harder than fluorite but softer than quartz?

Back

Feldspar (hardness level 6).

Front

What is the hardness level of calcite?

Back

3 on Moh's hardness scale.