VS
Name
—
SrB₆O₉(OH)₂·3H₂O
Formula
—
Mineral Species
Entry type
—
Borates
Chemical class
—
Monoclinic
Crystal system
—
2.5
Mohs hardness
—
2.4
Specific gravity
—
—
Streak
—
Subvitreous, pearly on {100} faces and cleavages
Luster
—
On {100}, perfect; on {001}, distinct
Cleavage
—
P2_1/a
Space group
—
—
Structural group
—
Tnl · Approved
IMA
—
1961
Named in
—
Colorless to grayish white
Typical colors
—
Sr · B · O · H
Elements
—