IMA mineral species

Boromullite

Al₉BSi₂O₁₉

Nesosilicate mineral.

Properties

Chemical formulaAl₉BSi₂O₁₉
ElementsAl, B, Si, O
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolBmul
Nickel–Strunz class9.AF.23

“—” means no reliable value in Wikidata yet. Check Mindat for full data.