Zoisyt

Structural context

Zoisite
Crystal System orthorhombicCrystal Class orthorhombic dipyramidalSpace Group Pnma

Chemical context

Stoichiometric formulas

Zoisite
mindat.org
  • May 9, 2024(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
  • March 13, 2023Ca2Al3[Si2O7][SiO4]O(OH)
IMA
  • March 13, 2023Ca2Al3[Si2O7][SiO4]O(OH)
mineralogy.rocks
  • Aug. 30, 2022Ca2Al3(Si2O7)(SiO4)O(OH)

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colourless
    • greyish-white
      • yellowish-brown
            Color noteOriginal color note from the source
            Colourless, purple, greyish-white, grey, yellowish-brown, yellow, pink, green
            StreakStreak entities, recognized using a custom trained NER model
              Streak noteOriginal streak note from the source
              White
              Lustre
              Vitreous
              Pearly
              Fracture
              Irregular/Uneven
              Conchoidal
              Transparency
              Transparent
              Translucent
              Tenacity
              brittle
              Hardness
              6—7
              Measured density
              3.15—3.36
              Calculated density
              3.35