Satin Spar Gypsum

CaSO4·2H2O
Also known as
  • Feather Gypsum
  • Plaister Stone
  • Satin Gypsum
  • +1 more

Where it forms, where it's found

42recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen615.99995.994
55.76%
20CaCalciumCalcium140.07840.078
23.28%
16SSulfurSulfur132.06032.060
18.62%
1HHydrogenHydrogen41.0084.032
2.34%
Total172.164100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Synonyms

  • Feather Gypsum
  • Plaister Stone
  • Satin Gypsum
  • Satin Stone

Literature, links & citation

Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Satin Spar Gypsum — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/satin-spar-gypsum-8574},
  note      = {Accessed 2026-05-11}
}