VS
Name
—
(Zn₁₋ₓAlₓ)(SO₄)ₓ/₂(OH)₂·nH₂O (x < 0.5, n < 3x/2)
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Hexagonal
Crystal system
—
1
Mohs hardness
—
2.66
Specific gravity
—
White to bluish white
Streak
—
Waxy
Luster
—
None
Cleavage
—
P-3
Space group
—
Woodwardite, Hydrotalcite
Structural group
—
Zwwd · Approved
IMA
—
1998
Named in
—
Pale blue to bluish white
Typical colors
—
Zn · Al · S · O · H
Elements
—