a mineral has a density of 7.50 and a hardness of 2.5. whats the mineral

Question

anonymous · Answer

i quick searched this page: http://nature.berkeley.edu/classes/eps2//wisc/glossary2.html and found this two possibilities... but it doesnt have to be... its very hard to determine mineral with only density and hardness: Argentite ... acanthite Crystallography: cubic Colors: black, gray Luster: metallic Hardness: 2 to 2.5 Specific gravity: 7.3 Cleavage: poor Fracture: subconchoidal Galena {guh-leen'-uh}.. galenite .. lead sulfate Crystallography: cubic - hexoctahedral Colors:gray Luster: metallic Hardness: 2.5 - 2.75 Specific gravity: 7.4 - 7.6 Cleavage: perfect cubic Crystal or stone size: massive