Front

A mineral is

Back

A substance that forms in nature, inorganic, is a solid, has a definite chemical makeup, and has a crystal structure.

Front

What is the hardest known mineral?

Back

Diamond is the hardest known mineral.

Front

What is the most abundant mineral in the Earth's crust?

Back

Feldspar is the most abundant mineral in the Earth's crust.

Front

What mineral is commonly used in pencils?

Back

Graphite is the mineral commonly used in pencils.

Front

What mineral is known for its magnetic properties?

Back

Magnetite is known for its magnetic properties.

Front

Which mineral is commonly used in the production of cement?

Back

Gypsum is commonly used in the production of cement.

Front

What mineral is often used as a gemstone and is known for its deep blue color?

Back

Lapis Lazuli is often used as a gemstone and is known for its deep blue color.