Mineral Information and Data:

Cesanite
Ca2Na3(SO4)3OH [CNMNC approved formula]

Named after the locality: Core samples from the Cesano-I geothermal well, Cesano area, Latium, Italy.

IMA status : Approved Species 1981 ()
CLASSIFICATION 
Dana
(8th edition) :
30.03.03.01  
  (30) Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.03) with miscellaneous formulae
  (30.03.03)
  
Nickel-Strunz
(10th edition) :
07.BD.20
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.B) Sulfates (selenates, etc.) with Additional Anions, without H2O
  (07.BD) With only large cations
  
Crystal system: Hexagonal System
Point group (H-M): 6 — trigonal-dipyramidal
  
  
  
Other Properties: H2O Soluble.

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