VS
Name
—
CaNi(AsO₄)(OH)
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Orthorhombic
Crystal system
—
4
Mohs hardness
—
4.27
Specific gravity
—
White
Streak
—
Silky to subadamantine
Luster
—
On {110}, good
Cleavage
—
P2_12_12_1
Space group
—
Adelite
Structural group
—
Naus · Approved
IMA
—
1985
Named in
—
Yellowish green to grass-green
Typical colors
—
Ca · Ni · As · O · H
Elements
—