O-ferrosilite

Structural context

Ferrosilite
Crystal System orthorhombicCrystal Class orthorhombic dipyramidalSpace Group Pbca

Chemical context

Stoichiometric formulas

Ferrosilite
mindat.org
  • Sept. 14, 2023Fe2+2Si2O6Simplified: FeSiO^3.
  • March 13, 2023FeSiO3
IMA
  • March 13, 2023Fe2+2Si2O6
mineralogy.rocks
  • Aug. 30, 2022Fe2+2(Si2O6)

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • dark brown
    Color noteOriginal color note from the source
    Dark brown to black
    StreakStreak entities, recognized using a custom trained NER model
    • pale gray brown
    Streak noteOriginal streak note from the source
    Pale gray brown
    Lustre
    Vitreous
    Sub-Vitreous
    Greasy
    Fracture
    Irregular/Uneven
    Splintery
    Transparency
    Transparent
    Translucent
    Tenacity
    brittle
    Hardness
    5—6
    Measured density
    3.6—4
    Calculated density
    4