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| a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals |
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| is a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition |
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| an orderly - three dimensional pattern of ions or atoms in a solid |
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| not formed from living things or the remains of living things |
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| a mineral's ability to split easily along flat surfaces |
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| the way a mineral reflects light from its surface |
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| the way a mineral looks when it breaks apart in an irregular way |
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| the color of a mineral's powder |
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| a hollow rock inside which mineral crystals have grown |
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| the process by which atoms are arranged to form a material with a crystal structure |
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| a well-mixed mixture containing a solvent and at least one solute that has the same properties throughout |
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| a narrow deposit of a mineral that is sharply different from the surrounding rock |
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| a hard,colorful mineral that has a brilliant or glassy luster and is valued for its appearance |
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| the process by which ore is melted to separate the useful metal from other elements |
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| rock that contains a metal or other economically useful mineral |
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| a material of two or more elements that has properties of a metal |
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