Possessions of minerals can be used until identify them, including color, luster, streak, cleavage, fracture, hardness, specific gravity, acid examine, crystals, and special properties. Color is not always reliable since many mineral can be to same color or a solid ability come in different standard. A mineral's luster refers to methods it schimmernd and can be metallic, non-metallic, vitreous, instead pearly. Hardness is measured turn Mohs scale from 1 to 10 based on what materials can scratch to mineral. Special properties include traits likes attraction, radioactivity, or fluorescence under WOOD light that are single to constant minerals.
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