IMA mineral species

Norbergite

Mg₃SiO₄F₂

Nesosilicate mineral.

OrangeYellowPinkBrownWhite & Clear

Norbergite specimen
Norbergite-Calcite-290476.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density3.083 g/cm³
Average
🔷 Orthorhombic✏️ streak white
Chemical formulaMg₃SiO₄F₂
ElementsMg, Si, O, F
Crystal systemOrthorhombic
Mohs hardness—
Density3.083 g/cm³
Streakwhite
Color—
IMA symbolNrb
Nickel–Strunz class9.AF.40

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