VS
Name
—
Mg₉(SiO₄)₄F₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
6
Mohs hardness
—
3.17–3.35
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{100}, poor
Cleavage
—
P2_1/b
Space group
—
Humite
Structural group
—
Chu · Grandfathered
IMA
—
1876
Named in
—
White, yellow to brown with increasing Ti; in thin section, colorless, pale yellow to golden yellow
Typical colors
—
Mg · Si · O · F
Elements
—