Mineral Properties Flashcard

Front

What is the Mohs hardness scale?

Back

A ranking of minerals from softest to hardest, used to determine the hardness of a mineral.

Front

What is a special property that applies to only a few minerals?

Back

Magnetism.

Front

When do large crystals form?

Back

Large crystals form when magma underground cools off.

Front

Is diamond a mineral?

Back

Yes, diamond is classified as a mineral.

Front

What type of chemical composition do minerals have?

Back

Minerals have a fixed chemical composition.

Front

What is the streak test?

Back

A method used to determine the color of a mineral in powdered form.

Front

What does luster refer to in minerals?

Back

Luster describes how a mineral reflects light, indicating its shine.

Front

What is the difference between cleavage and fracture in minerals?

Back

Cleavage is the tendency of a mineral to break along flat surfaces, while fracture is an irregular break.

Front

What is the definition of a mineral?

Back

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

Front

What is the significance of color in identifying minerals?

Back

Color can help identify minerals, but it is not always reliable due to variations.