Compare Minerals

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

Mineral A

Mineral B

Sugakiite

Name

—

Cu(Fe,Ni)₈S₈

Formula

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Mineral Species

Entry type

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Sulfides

Chemical class

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Tetragonal

Crystal system

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Mohs hardness

—

4.71

Specific gravity

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Streak

—

Metallic. Tarnishes brownish gray on exposure to air

Luster

—

None

Cleavage

—

P4_2/mnm

Space group

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Pentlandite

Structural group

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Sgk · Approved

IMA

—

2005

Named in

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Reddish yellow; creamy white with reddish tint in reflected light

Typical colors

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Cu · Fe · Ni · S

Elements

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