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VS
Talnakhite
Name
—
Cu₉Fe₈S₁₆
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
—
Mohs hardness
—
4.29
Specific gravity
—
—
Streak
—
—
Luster
—
—
Cleavage
—
I-43m
Space group
—
Chalcopyrite
Structural group
—
Tlk · Approved
IMA
—
1967
Named in
—
Chalcopyrite-yellow, tarnishes rapidly to hues of pink and brown. R: (400) —, (420) —, (440) —, (460) 22.4
Typical colors
—
Cu · Fe · S
Elements
—