VS
Name
—
Na₄Ca₃MgAl₄(AsO₃OH)₁₂·9H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Hexagonal
Crystal system
—
2
Mohs hardness
—
3.08
Specific gravity
—
White
Streak
—
Vitreous to silky
Luster
—
Parallel [001], good
Cleavage
—
P622
Space group
—
—
Structural group
—
Cur · Approved
IMA
—
2016
Named in
—
Colorless to white
Typical colors
—
Na · Ca · Mg · Al · As · O · H
Elements
—