VS
Name
—
Rb(LiAl₁.₅ ₀.₅)(Al₀.₅Si₃.₅)O₁₀F₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
2.95
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
Perfect on {001}
Cleavage
—
C2/c
Space group
—
Mica
Structural group
—
Vls · Approved
IMA
—
2007
Named in
—
Colorless
Typical colors
—
Rb · Li · Al · Si · O · F
Elements
—