Mineral - A mineral is a solid, inorganic material found in nature., Luster - how light is reflected from the surface of a mineral., Metallic - looks like it contains metal, non-metallic - looks dull, Color - least effective way to identify a mineral, streak - color of mineral's powder, hardness - most effective way to identify a mineral, cleavage - mineral has at least 1 flat side, fracture - mineral has NO flat sides,

Minerals

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