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

Is glass a mineral?

Back

No, glass is man-made and does not have a crystalline structure.

Front

What is the chemical formula of Pyrite?

Back

FeS2.

Front

Can fossils be classified as minerals?

Back

No, fossils are made from the remains of living things and are not considered minerals.

Front

What is the Mohs hardness scale?

Back

The Mohs hardness scale is a scale used to measure the hardness of minerals based on their ability to scratch one another.

Front

What mineral is harder than Fluorite on the Mohs hardness scale?

Back

Quartz.

Front

What is the luster of a mineral?

Back

Luster refers to the way light reflects off the surface of a mineral, which can be described as glassy, metallic, dull, etc.

Front

What does 'definite chemical composition' mean in relation to minerals?

Back

It means that a mineral has a specific chemical formula that defines its composition.

Front

What is an example of a mineral?

Back

An example of a mineral is Calcite.

Front

What is the hardness of Apatite on the Mohs scale?

Back

Apatite has a hardness of 5 on the Mohs scale.