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VS
C
Cryptochalcite
Name
—
K₂Cu₅O(SO₄)₅
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Triclinic
Crystal system
—
3
Mohs hardness
—
3.411
Specific gravity
—
Pale green
Streak
—
Vitreous
Luster
—
None
Cleavage
—
P-1
Space group
—
Cryptochalcite
Structural group
—
Cpch · Approved
IMA
—
2015
Named in
—
Light green to green, occasionally with a yellowish hue
Typical colors
—
K · Cu · O · S
Elements
—