Minerals

Front

What is a mineral?

Back

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.

Front

What is Moh's scale of hardness?

Back

Moh's scale of hardness is a scale that ranks minerals from 1 (softest) to 10 (hardest) based on their ability to scratch one another.

Front

What tool is best for testing the density of a mineral?

Back

A cup of water is best for testing the density of a mineral.

Front

Which mineral is harder: one that tests 3 or one that tests 6 on Moh's scale?

Back

The mineral that tests 6 is harder because it is closer to 10 on Moh's scale.

Front

What is luster in minerals?

Back

Luster is the way a mineral reflects light, which can be described as shiny, dull, or glassy.

Front

What is the hardest mineral on Moh's scale?

Back

Diamond is the hardest mineral on Moh's scale, rated as 10.

Front

What is the difference between rocks and minerals?

Back

Rocks are made of many minerals, while minerals are individual substances.

Front

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

Back

If a mineral can scratch another, it means it is harder than that mineral according to Moh's scale.

Front

What is the hardness of quartz?

Back

Quartz has a hardness of 7 on Moh's scale.

Front

What is the significance of a mineral's density?

Back

Density helps identify minerals and can indicate their composition.