Margarit

Structural context

Margarite
Crystal System monoclinicCrystal Class prismaticSpace Group C2/c

Chemical context

Stoichiometric formulas

Margarite
mindat.org
  • March 13, 2023CaAl2(Al2Si2O10)(OH)2
IMA
  • March 13, 2023CaAl2Si2Al2O10(OH)2
mineralogy.rocks
  • Aug. 30, 2022CaAl2(Si2Al2)O10(OH)2

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • grayish
  • pale pink
      • colorless
      Color noteOriginal color note from the source
      Grayish, pale pink, yellow, green. colorless in thin section.
      StreakStreak entities, recognized using a custom trained NER model
        Streak noteOriginal streak note from the source
        White
        Lustre
        Vitreous
        Pearly
        Transparency
        Translucent
        Tenacity
        brittle
        Hardness
        3.5—4.5
        Measured density
        2.99—3.08
        Calculated density
        3.077