VS
Name
—
Mg₇(SiO₄)₃F₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
6
Mohs hardness
—
3.2–3.32
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{100}, poor
Cleavage
—
Pbnm
Space group
—
Humite
Structural group
—
Hu · Grandfathered
IMA
—
1813
Named in
—
White, yellow, dark orange, brown; colorless to yellow-brown in thin section
Typical colors
—
Mg · Si · O · F
Elements
—