Topazolit

Structural context

Andradite
Crystal System isometricCrystal Class hexoctahedralSpace Group Ia-3d

Chemical context

Stoichiometric formulas

Topazolite
mindat.org
  • March 13, 2023Ca3Fe3+2(SiO4)3
Andradite
mindat.org
  • March 13, 2023Ca3Fe3+2(SiO4)3
IMA
  • March 13, 2023Ca3Fe3+2(SiO4)3
mineralogy.rocks
  • Aug. 30, 2022Ca3Fe3+2(SiO4)3

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • greenish yellow
  • brownish yellow
  • emerald-green
  • dark green
    • brownish red
    • grayish black
    Color noteOriginal color note from the source
    Yellow, greenish yellow to emerald-green, dark green; brown, brownish red, brownish yellow; grayish black, black; may be sectored
    StreakStreak entities, recognized using a custom trained NER model
      Streak noteOriginal streak note from the source
      White
      Lustre
      Adamantine
      Resinous
      Dull
      Fracture
      Irregular/Uneven
      Conchoidal
      Transparency
      Transparent
      Translucent
      Tenacity
      brittle
      Hardness
      6.5—7
      Measured density
      3.8—3.9
      Calculated density
      3.859