Heterogenit

Structural context

Heterogenite
Crystal System hexagonalCrystal Class hexagonal scalenohedralSpace Group R-3m

Chemical context

Stoichiometric formulas

Heterogenite
mindat.org
  • March 13, 2023Co3+O(OH)The formula HCoO2 may be more correct (see below).
IMA
  • March 13, 2023Co3+O(OH)
mineralogy.rocks
  • Aug. 30, 2022Co3+O(OH)

Physical properties

ColorColor entities, recognized using a custom trained NER model
    • reddish
    • blackish-brown
    Color noteOriginal color note from the source
    Black, reddish, blackish-brown
    StreakStreak entities, recognized using a custom trained NER model
        Streak noteOriginal streak note from the source
        Black, brown
        Lustre
        Vitreous
        Dull
        Fracture
        Irregular/Uneven
        Conchoidal
        Transparency
        Opaque
        Hardness
        3—5
        Measured density
        4.13—4.47
        Calculated density
        4.92