Earth Space Final Review

Front

An inorganic solid of natural origin with a specific chemical composition and crystalline structure.

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Mineral

Front

A solid in which the atoms are arranged in repetitive patterns.

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Crystal

Front

Molten material found beneath the Earth's crust.

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Magma

Front

A valuable mineral appreciated for its rarity and beauty.

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Gem

Front

When a mineral breaks into sheets in one direction, this describes its cleavage.

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Cleavage

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Metallic or non-metallic describe the luster of a mineral.

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Luster

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The mark left by a mineral, which does not always match its external color.

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Streak

Front

The Mohs scale is used to compare the hardness of minerals.

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Hardness

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Type of rock that forms when magma cools.

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Igneous

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Type of rock that forms from a pre-existing rock that is remodeled and alters its appearance.

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Metamorphic