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VS
Rossmanite
Name
—
(Al₂Li)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
7.5
Mohs hardness
—
3
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
None
Cleavage
—
R3m
Space group
—
Tourmaline
Structural group
—
Rsm · Approved
IMA
—
1996
Named in
—
Pink
Typical colors
—
Al · Li · Si · O · B · H
Elements
—