Compare Minerals

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

Mineral A

Mineral B

Wulffite

Name

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K₃NaCu₄O₂(SO₄)₄

Formula

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Mineral Species

Entry type

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Sulfates

Chemical class

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Orthorhombic

Crystal system

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2.5

Mohs hardness

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3.23

Specific gravity

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Light green

Streak

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Vitreous

Luster

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Perfect, 2 directions parallel to elongation and a third || (010)

Cleavage

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Pn2_1a

Space group

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Structural group

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Wlf · Approved

IMA

—

2013

Named in

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Dark green, deep emerald green, deep bluish green

Typical colors

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K · Na · Cu · O · S

Elements

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