Mineral Information and Data:

Davyne
(Na,Ca,K)8(Si,Al)12O24(Cl,SO4,CO3)2-3 [CNMNC approved formula]

Named for Sir Humphrey Davy (1778-1829), famous English chemist who discovered the following elements: B, Ba, Ca, K, Mg, Na, and Sr.

IMA status : Valid species (Pre-IMA 1825) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
76.02.05.05  
  (76) Tectosilicate Al-Si Framework
  (76.02) Feldspathoids and related species
  (76.02.05) Cancrinite group
  
Nickel-Strunz
(10th edition) :
09.FB.05
  (09) Silicates
  (09.F) Tektosilicates without Zeolitic H2O
  (09.FB) Tektosilicates with additional anions
  
Crystal system: Hexagonal System
Point group (H-M): 6/m — dipyramidal
  
  
  

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