Mineral Information and Data:

Beyerite
CaBi2O2(CO3)2 [CNMNC approved formula]

Named for A. Beyer.

IMA status : Valid species (Pre-IMA 1943) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
16a.02.03.01  
  (16a) Carbonates - Hydroxyl or Halogen
  (16a.02) where (A B)3 (XO3)2 Zq
  (16a.02.03)
  
Nickel-Strunz
(10th edition) :
05.BE.35
  (05) Carbonates and Nitrates
  (05.B) Carbonates with additional anions, without H2O
  (05.BE) With Pb, Bi
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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