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10 Cards in this Set
- Front
- Back
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lava
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molten rock that forms from volcanoes onto Earth's surface; outside volcanoes
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naturally occurring
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no help from humans
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inorganic
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are not made from life process; non living
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definite chemical composition
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same mineral=same elements
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crystalline solids
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atoms are arranged in an orderly pattern; definite solids; not all solids are crystals
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hardness
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a measure of how easily a mineral can be scratched
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luster
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the way a mineral reflects in light
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streak
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color of a mineral when it is in powered form
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cleavage
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being able to break in a smooth plane
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fracture
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breaks in uneven, rough, or jagged surface
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