VS
Name
—
Ca₂Mn²⁺(AsO₄)₂·2H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
3.5
Mohs hardness
—
3.61–3.67
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{010}, perfect; {001}, good
Cleavage
—
P2_1/c
Space group
—
Roselite
Structural group
—
Bdt · Grandfathered
IMA
—
1888
Named in
—
Colorless to white; colorless in transmitted light
Typical colors
—
Ca · Mn · As · O · H
Elements
—