Hydropyrite

Structural context

Marcasite
Crystal System orthorhombicCrystal Class orthorhombic dipyramidalSpace Group Pnnm

Chemical context

Stoichiometric formulas

Marcasite
mindat.org
  • March 13, 2023FeS2
IMA
  • March 13, 2023FeS2
mineralogy.rocks
  • Aug. 30, 2022FeS2

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • pale brass-yellow
  • tin-white
Color noteOriginal color note from the source
Pale brass-yellow, tin-white on fresh exposures.
StreakStreak entities, recognized using a custom trained NER model
  • dark-gray
    Streak noteOriginal streak note from the source
    Dark-gray to black.
    Lustre
    Metallic
    Sub-Metallic
    Fracture
    Conchoidal
    Sub-Conchoidal
    Transparency
    Opaque
    Tenacity
    brittle
    Hardness
    6—6.5
    Calculated density
    4.875