Chemistry, 05.03.2020 23:19 kayliebush2709

This opaque mineral shows a dull, or dully-metallic luster and is typically black or brown-black in color, typically shows no strong cleavage, has a hardness of 5.5 - 6.5 and produces a black streak, has a specific gravity of 5.2, may react weakly with HCl, is strongly magnetic and will attract iron filings. What is this mineral

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This opaque mineral shows a dull, or dully-metallic luster and is typically black or brown-black in...