Mullite

Photo: Ralph Bottrill · CC BY 3.0

Mullite

Mullite

3Al₂O₃·2SiO₂

Nesosilicate mineral

Properties

Chemical formula
3Al₂O₃·2SiO₂
Group
Silicates
Crystal system
Orthorhombic
Hardness (Mohs)
—
Color
Colorless
Luster
—
Streak
White
Density
—
Cleavage
—
Fracture
—
Tenacity
—
Crystal habit
—
Transparency
—
Space group
—
Fluorescence
—
Magnetism
—
Radioactivity
—
Refractive index
—
Optical character
—
Birefringence
—
Pleochroism
—
Strunz classification
9.AF.20
Dana classification
—
IMA status
Grandfathered mineral (G)
IMA symbol
Mul
Locality
🇬🇧 Isle of Mull
Type locality
—
Discovery year
—

Etymology

Named after Isle of Mull

Source: Wikidata

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