VS
Name
—
Mg₅O(BO₃)(OH)₅·2H₂O
Formula
—
Mineral Species
Entry type
—
Borates
Chemical class
—
Monoclinic
Crystal system
—
5.5
Mohs hardness
—
2.6
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
On {010}, perfect; on {100}, fair
Cleavage
—
I2/m
Space group
—
—
Structural group
—
Wmn · Approved
IMA
—
1962
Named in
—
Colorless, may have a faint green tint
Typical colors
—
Mg · O · B · H
Elements
—