Mineral Information and Data:

Burkeite
Na4(SO4)(CO3) [CNMNC approved formula]

Named for William Edmund Burke (1880-1966), chemical engineer, American Potash and Chemical Co., who discovered the artificial salt.

IMA status : Valid species (Pre-IMA 1921) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
32.01.01.01  
  (32) Compound Sulfates
  (32.01) (anhydrous) with simple bi-anionic formula
  (32.01.01)
  
Nickel-Strunz
(10th edition) :
07.BD.25
  (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: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  
Other Properties: H2O Soluble.

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