Compare Minerals

Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

Mineral A

Mineral B

Name

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Cu₃HgPbBiSe₅

Formula

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Mineral Species

Entry type

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Sulfosalts

Chemical class

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Orthorhombic

Crystal system

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Mohs hardness

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7.707

Specific gravity

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Streak

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Strong metallic. Anisotropism: Weak; dark green and violet. R1 –R2: (400) 44.0–44.4, (420) 44.1–44.8, (440) 44.2–45.2

Luster

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Imperfect, parallel to flattening of crystals

Cleavage

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Space group

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Petrovicite

Structural group

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Pvc · Approved

IMA

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1975

Named in

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In polished section, cream colored

Typical colors

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Cu · Hg · Pb · Bi · Se

Elements

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