Phlogopit

Structural context

Phlogopite
Crystal System monoclinicCrystal Class prismaticSpace Group C2/m

Chemical context

Stoichiometric formulas

Phlogopite
mindat.org
  • March 13, 2023KMg3(AlSi3O10)(OH)2
IMA
  • March 13, 2023KMg3(AlSi3O10)(OH)2
mineralogy.rocks
  • Aug. 30, 2022KMg3(AlSi3O10)(OH)2

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • reddish brown
  • gray
      Color noteOriginal color note from the source
      Brown, gray, green, yellow, or reddish brown
      StreakStreak entities, recognized using a custom trained NER model
        Streak noteOriginal streak note from the source
        White
        Lustre
        Vitreous
        Pearly
        Fracture
        Micaceous
        Transparency
        Transparent
        Translucent
        Luminescence
        None
        Tenacity
        flexible
        Hardness
        2—3
        Measured density
        2.78—2.85
        Calculated density
        2.79