Mineral Properties

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Crystal

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A solid formed by a repeating pattern of atoms.

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Density

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A measure of how "light" or "heavy" a material is for its size. Density is measured in grams per milliliter (g/mL).

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Hardness

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A measure of how easily a mineral can be scratched. Measured on a scale of 1 to 10 called Mohs scale.

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Luster

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The way a mineral reflects light. Examples include metallic, glassy, pearly, dull, waxy, and silky.

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Mass

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The amount of matter in an object, measured in grams (g).

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Mineral

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A naturally formed, inorganic solid with a crystal structure and a definite chemical composition.

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Streak

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The color of a mineral in powdered form, observed by rubbing on a streak plate.

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Volume

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The amount of space an object takes up, measured in milliliters (mL).