VS
Name
—
Pb(Ni,Fe³⁺)₂(AsO₄)₂(H₂O,OH)₂
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
5.02
Specific gravity
—
Yellow
Streak
—
Vitreous
Luster
—
Distinct on {001}, by analogy with tsumcorite
Cleavage
—
C2/m
Space group
—
Natrochalcite
Structural group
—
Ntsm · Approved
IMA
—
2013
Named in
—
Yellow, brownish yellow, light brown or brown
Typical colors
—
Pb · Ni · Fe · As · O · H
Elements
—