A mineral must be inorganic, which means that it contains

The color of a mineral's powder is called its

If you broke a mineral into tiny pieces, each piece would

Coal is NOT classified as a mineral because

The repeating pattern of a mineral\'s particles forms a solid called a(n)

What is the hardest known mineral?

Most minerals do NOT split apart evenly. Instead, they have a characteristic type of

The term used to describe how a mineral reflects light from its surface is

The softest mineral on the Mohs hardness scale is

When geologists say that a mineral always contains certain elements in definite proportions, they mean that the mineral

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