The Mohs Scale

Front

What is the Mohs Scale?

Back

The Mohs Scale is a scale that measures the hardness of minerals based on their ability to scratch one another.

Front

Who created the Mohs Scale?

Back

Friedrich Mohs, a German mineralogist, created the Mohs Scale in 1812.

Front

What does the Mohs Scale measure?

Back

The Mohs Scale measures the hardness of minerals.

Front

What is the hardest mineral on the Mohs Scale?

Back

Diamond is the hardest mineral on the Mohs Scale, rated at 10.

Front

What mineral is rated 8 on the Mohs Scale?

Back

Topaz is rated 8 on the Mohs Scale.

Front

What mineral is rated 7 on the Mohs Scale?

Back

Quartz is rated 7 on the Mohs Scale.

Front

What is the softest mineral on the Mohs Scale?

Back

Talc is the softest mineral on the Mohs Scale, rated at 1.

Front

True or False: A masonry drill bit can scratch topaz.

Back

True, a masonry drill bit can scratch topaz.

Front

What does hardness in minerals refer to?

Back

Hardness refers to the ability of a mineral to scratch other objects.

Front

True or False: Hardness is a property that can be measured using the Mohs Scale.

Back

True, hardness can be measured using the Mohs Scale.