VS
Name
—
KLiMg₂Si₄O₁₀F₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
2.5–3.5
Mohs hardness
—
2.83–2.9
Specific gravity
—
—
Streak
—
Vitreous, silky
Luster
—
{001}, perfect
Cleavage
—
C2/m
Space group
—
Mica
Structural group
—
Tai · Grandfathered
IMA
—
1901
Named in
—
Colorless, brown to greenish brown, typically concentrically zoned
Typical colors
—
K · Li · Mg · Si · O · F
Elements
—