Melanterita

Structural context

Melanterite
Crystal System monoclinicCrystal Class prismaticSpace Group P21/c

Chemical context

Stoichiometric formulas

Melanterite
mindat.org
  • March 13, 2023Fe2+(H2O)6SO4·H2OSix of the water molecules are coordinated with Iron.
IMA
  • March 13, 2023Fe(SO4) · 7H2O
mineralogy.rocks
  • Aug. 30, 2022Fe2+S6+O4·7H2O

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colorless
  • colourless
    • pale green
    • greenish-blue
    Color noteOriginal color note from the source
    Colorless to white or green, also greenish-blue to blue with increased cu content; colourless to pale green in transmitted light.
    StreakStreak entities, recognized using a custom trained NER model
      Streak noteOriginal streak note from the source
      White.
      Lustre
      Vitreous
      Fracture
      Conchoidal
      Transparency
      Translucent
      Opaque
      Tenacity
      brittle
      Hardness
      2
      Calculated density
      1.893