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VS
Nickellotharmeyerite
Nickellotharmeyerite
Name
—
CaNi₂(AsO₄)₂·2H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
4.5
Mohs hardness
—
4.45
Specific gravity
—
Light brown to yellow
Streak
—
Subadamantine
Luster
—
None
Cleavage
—
C2/m
Space group
—
Natrochalcite
Structural group
—
Nlmy · Approved
IMA
—
1999
Named in
—
Brown to yellow
Typical colors
—
Ca · Ni · As · O · H
Elements
—