Cainita

Structural context

Kainite
Crystal System monoclinicCrystal Class prismaticSpace Group C2/m

Chemical context

Stoichiometric formulas

Kainite
mindat.org
  • March 13, 2023KMg(SO4)Cl·3H2OBorisov et al. (2022) propose the formula KMg(SO4)Cl⋅2.75H2O.
IMA
  • March 13, 2023KMg(SO4)Cl · 2.75H2O
mineralogy.rocks
  • Aug. 30, 2022KMg(S6+O4)Cl·3H2O

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colourless
  • colourless
    • brownish
    • greyish-green
          Color noteOriginal color note from the source
          Colourless; yellow, brownish, greyish-green, red, violet, blue; colourless in transmitted light.
          StreakStreak entities, recognized using a custom trained NER model
            Streak noteOriginal streak note from the source
            White
            Lustre
            Vitreous
            Fracture
            Splintery
            Transparency
            Transparent
            Tenacity
            brittle
            Hardness
            2.5—3
            Calculated density
            2.24