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| Physical property of some minerals that cause them to break along smooth , flat surfaces. |
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| Solid in which the atoms are arranged in an orderly,repeating pattern. |
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| Physical property of some minerals that causes them to break with uneven , rough , or jagged surfaces. |
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| Beautiful , rare , highly prized mineral that can be worn in jewerly. |
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| Measure of how easily a mineral can be scracthed. |
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| Describes the way a mineral reflects light from its surface; can be metallic or nonmetallic. |
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| Hot , melted rock material Earth's surface. |
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| Naturally occuring inorganic solid that has adefinite chemical compostion and an orderly and internal atomic surface. |
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| Deposit in which a mineral exists in large enough amounts to be mined at a profit. |
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| describes amineral that contains silicon and oxygen and usually one or more other elements. |
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| ratio of a mineral's weight compared with the weight of an equal volume of water. |
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| color of a mineral when it is in powdered form. |
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