VS
Name
—
ZnCu₄(SO₄)₂(OH)₆·6H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Monoclinic
Crystal system
—
2–2.5
Mohs hardness
—
2.94–2.97
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
—
Cleavage
—
P2_1/c
Space group
—
Ktenasite, Devilline
Structural group
—
Kte · Grandfathered
IMA
—
1950
Named in
—
Blue-green to emerald-green
Typical colors
—
Zn · Cu · S · O · H
Elements
—