Hausmannit

Structural context

Hausmannite
Crystal System tetragonalCrystal Class ditetragonal dipyramidalSpace Group I41/amd

Chemical context

Stoichiometric formulas

Hausmannite
mindat.org
  • March 13, 2023Mn2+Mn3+2O4
IMA
  • March 13, 2023Mn2+Mn3+2O4
mineralogy.rocks
  • Aug. 30, 2022Mn2+Mn3+2O4

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • brown-black
Color noteOriginal color note from the source
Brown-black
StreakStreak entities, recognized using a custom trained NER model
  • dark reddish brown
  • dark brown
Streak noteOriginal streak note from the source
Dark reddish brown, dark brown
Lustre
Resinous
Sub-Metallic
Dull
Fracture
Irregular/Uneven
Transparency
Opaque
Tenacity
brittle
Hardness
5.5
Measured density
4.83—4.85
Calculated density
4.84