VS
Name
—
(Cu,Zn)₇(SO₄)₂(OH)₁₀·3H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Hexagonal
Crystal system
—
2
Mohs hardness
—
3.28–3.42
Specific gravity
—
Blue-green, pale green
Streak
—
Vitreous, pearly on {0001}
Luster
—
Perfect on {0001}; poor on {1120}
Cleavage
—
P-3
Space group
—
Ktenasite
Structural group
—
Slb · Approved
IMA
—
1982
Named in
—
Pale blue-green, emerald-green
Typical colors
—
Cu · Zn · S · O · H
Elements
—