Compare Minerals

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

Mineral A

Mineral B

Tvalchrelidzeite

Name

—

Hg₃SbAsS₃

Formula

—

Mineral Species

Entry type

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Sulfosalts

Chemical class

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Monoclinic

Crystal system

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Mohs hardness

—

7.38

Specific gravity

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Nearly black, with a dark reddish tint

Streak

—

Adamantine

Luster

—

Perfect in one direction

Cleavage

—

P2_1/n

Space group

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Structural group

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Tva · Approved

IMA

—

1974

Named in

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Lead-gray; whitish in reflected light, with strong dark red internal reflections; in transmitted light

Typical colors

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Hg · Sb · As · S

Elements

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