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Definition
Noun
A solid inorganic substance that
occurs in nature |
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Definition
Adjective
Not made from natural growth
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Term
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Definition
Noun
A piece of a solid substance having
a naturally geometrical shape |
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Definition
Noun
Not easily scratched; a high number when measured on Mohs scale. |
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Term
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Definition
mark of a different substance or color from its surroundings |
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Term
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Definition
How a mineral reflects light |
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Term
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Definition
The cracking or breaking of a hard object
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Term
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Definition
The level of compactness of a substance |
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Term
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Definition
A precious or semi-precious stone
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Term
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Definition
Scale to measure the hardness of minerals |
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