Manganita

Structural context

Manganite
Crystal System monoclinicCrystal Class prismaticSpace Group P21/c

Chemical context

Stoichiometric formulas

Manganite
mindat.org
  • March 13, 2023Mn3+O(OH)
IMA
  • March 13, 2023Mn3+O(OH)
mineralogy.rocks
  • Aug. 30, 2022Mn3+O(OH)

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • gray-black
Color noteOriginal color note from the source
Gray-black, black
StreakStreak entities, recognized using a custom trained NER model
  • reddish brown
    Streak noteOriginal streak note from the source
    Reddish brown to black
    Lustre
    Resinous
    Sub-Metallic
    Dull
    Fracture
    Splintery
    Transparency
    Opaque
    Tenacity
    brittle
    Hardness
    4
    Measured density
    4.29—4.34
    Calculated density
    4.38