Mineral Information and Data:

Coalingite
Mg10Fe3+2CO3(OH)24 • 2H2O [CNMNC approved formula]

Named after the town of Coalinga, California. The town was named after the railroad's Coaling Station "A.".

IMA status : Approved Species 1965 ()
CLASSIFICATION 
Dana
(8th edition) :
16b.07.06.01  
  (16b) Carbonates - Hydroxyl or Halogen
  (16b.07)
  (16b.07.06)
  
Nickel-Strunz
(10th edition) :
05.DA.55
  (05) Carbonates and Nitrates
  (05.D) Carbonates with Additional Anions, with H2O
  (05.DA) With medium-sized cations
  
Crystal system: Trigonal System
Point group (H-M): 3m (or 3 2/m) — hexagonal-scalenohedral
  
  
  

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