VS
Name
—
(Cd,Ca)(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Monoclinic
Crystal system
—
3
Mohs hardness
—
3.25
Specific gravity
—
Pale blue
Streak
—
Vitreous
Luster
—
Perfect on {100} (by analogy to serpierite)
Cleavage
—
C2/c
Space group
—
Devilline
Structural group
—
Adg · Approved
IMA
—
2010
Named in
—
Pale blue
Typical colors
—
Cd · Ca · Cu · Zn · S · O · H
Elements
—