A particular type of gypsum.
Formula: CaSO4.H2O
Hardness: 2
Description: A sulfate mineral with a monoclinic crystal system and a pearly lustre.
Specimen number: R20194


  • Title: Gypsum (Satin Spar)
  • Type: Mineral
  • Rights: Geoscience Australia / CC-BY 4.0
  • Photographer: Chris Fitzgerald
  • Museum ID: R20194

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