VS
Name
—
(Mn,Ca)Mn₂Ca₂(AsO₃OH)₂(AsO₄)₂·4H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
3.2–3.69
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
Good on {100}
Cleavage
—
C2/c
Space group
—
Hureaulite
Structural group
—
Vy · Approved
IMA
—
1983
Named in
—
Pale rose-red, orange-pink, colorless; colorless in transmitted light
Typical colors
—
Mn · Ca · As · O · H
Elements
—