conductivity - a physical property: the ability of a substance to transfer heat or electricity, hardness  - the ability of harder mineral to scratch a softer mineral, inorganic - matter that does NOT contain Carbon (C), luster - a physical property: the way a substance reflects light shiny or dull, magnetism - a force that that attracts or repels objects towards or away from each other,  malleability - a physical property: ability of material to be reshaped without breaking or cracking,  mineral - an inorganic solid found in nature that has a repeating 3D structure, Moh's hardness - a set of 10 minerals used as a standard of hardness, streak - The color of a mineral in powdered form,

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