Mohs Hardness Scale

Front

What is the Mohs 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 the Mohs Hardness Scale?

Back

Talc.

Front

What mineral is ranked #10 on the Mohs Hardness Scale?

Back

Diamond.

Front

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

Back

It means the first mineral has a higher hardness rating on the Mohs Hardness Scale.

Front

What is the hardness rating of quartz?

Back

7.

Front

Which mineral is used as a reference for hardness rating of 5?

Back

Apatite.

Front

If a mineral is scratched by a mineral with a hardness of 3, what can you infer about its hardness?

Back

The mineral must have a hardness rating lower than 3.

Front

What property is NOT used to identify minerals?

Back

Size.

Front

Who studies rocks and minerals?

Back

A geologist.

Tags

NGSS.MS-ESS1-4

Front

What is the hardness rating of feldspar?

Back

6.