Coronadit

Structural context

Coronadite
Crystal System monoclinicSpace Group C2/m

Chemical context

Stoichiometric formulas

Coronadite
mindat.org
  • March 13, 2023Pb(Mn4+6Mn3+2)O16
IMA
  • March 13, 2023Pb(Mn4+6Mn3+2)O16
mineralogy.rocks
  • Aug. 30, 2022Pb2+(Mn4+6Mn3+2)O16

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • dark gray
    Color noteOriginal color note from the source
    Dark gray, black
    StreakStreak entities, recognized using a custom trained NER model
    • brown-black
    Streak noteOriginal streak note from the source
    Brown-black
    Lustre
    Metallic
    Sub-Metallic
    Dull
    Earthy
    Transparency
    Opaque
    Hardness
    4.5—5
    Measured density
    5.246—5.505
    Calculated density
    5.45