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VS
T
Name
—
Mg₃B₇O₁₃Cl
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Hexagonal
Crystal system
—
6–8
Mohs hardness
—
2.84–3.34
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
—
Cleavage
—
R3c
Space group
—
Boracite
Structural group
—
Tba · Approved
IMA
—
1991
Named in
—
Colorless to pale blue, pink; colorless in transmitted light
Typical colors
—
Mg · B · O · Cl
Elements
—