VS
Name
—
Zn₇Cu(OH)₁₃[SiO(OH)₃(SO₄)]
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
2–3
Mohs hardness
—
3.45
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
On {0001}
Cleavage
—
P-3
Space group
—
—
Structural group
—
Bec · Approved
IMA
—
1994
Named in
—
Colorless, pale blue, ice-green, pale green
Typical colors
—
Zn · Cu · O · H · Si · S
Elements
—