Chamosit

Structural context

Chamosite
Crystal System monoclinicCrystal Class prismaticSpace Group C2/m

Chemical context

Stoichiometric formulas

Chamosite
mindat.org
  • Jan. 26, 2025(Fe2+)5Al(Si,Al)4O10(OH,O)8
  • March 13, 2023(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
IMA
  • March 13, 2023(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
mineralogy.rocks
  • Aug. 30, 2022(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • grey-green
  • brown-green
  • dark green
    Color noteOriginal color note from the source
    Green, grey-green, brown-green, dark green, black
    StreakStreak entities, recognized using a custom trained NER model
      • gray
      Streak noteOriginal streak note from the source
      Green to gray.
      Lustre
      Pearly
      Transparency
      Translucent
      Opaque
      Tenacity
      flexible
      Hardness
      3
      Measured density
      3—3.4
      Calculated density
      3.129