VS
Name
—
(Zn₁₋ₓAlₓ)(SO₄)ₓ/₂(OH)₂·nH₂O (x 3x/2)
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Hexagonal
Crystal system
—
1
Mohs hardness
—
2.4
Specific gravity
—
—
Streak
—
Waxy
Luster
—
—
Cleavage
—
—
Space group
—
Woodwardite, Hydrotalcite
Structural group
—
Gc · Grandfathered
IMA
—
1932
Named in
—
Sky-blue to bluish green, grading to pale blue, color-banded
Typical colors
—
Zn · Al · S · O · H
Elements
—