VS
Name
—
Ca₄Mg[AsB₆O₁₁(OH)₆]₂·14H₂O
Formula
—
Mineral Species
Entry type
—
Borates
Chemical class
—
Monoclinic
Crystal system
—
2.5
Mohs hardness
—
2.15–2.2
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
On {001}, good; on {110}, fair
Cleavage
—
P2_1/a
Space group
—
—
Structural group
—
Tgg · Approved
IMA
—
1968
Named in
—
Colorless to white
Typical colors
—
Ca · Mg · As · B · O · H
Elements
—