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 (softest) to 10 (hardest).

Front

What mineral is the softest on Moh's Hardness Scale?

Back

Talc, which is rated as 1 on the scale.

Front

Which mineral can scratch Orthoclase?

Back

Quartz, which has a hardness of 7.

Front

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

Back

Topaz has a hardness of 8.

Front

Which mineral can be scratched by a Diamond?

Back

Any mineral with a hardness less than 10, as Diamond is the hardest mineral with a hardness of 10.

Front

If a mineral is harder than gypsum but softer than topaz, what hardness range does it fall into?

Back

It falls into the hardness range of 4 to 8.

Front

What is the hardness of Quartz?

Back

Quartz has a hardness of 7.

Front

Which mineral is harder than Calcite but softer than Topaz?

Back

Orthoclase, which has a hardness of 6.

Front

What is the hardness of Diamond?

Back

Diamond has a hardness of 10, making it the hardest known natural material.

Front

What mineral can scratch Talc?

Back

Gypsum, which has a hardness of 2.