Mineral Information and Data:

Comblainite
Ni6Co3+2CO3(OH)16 • 4H2O [CNMNC approved formula]

Named for Gordon Comblain (1929-) of the Musee Royal de l'Afrique Centrale, Tervuren, Belgium who discovered the mineral.

IMA status : Approved Species 1980 ()
CLASSIFICATION 
Dana
(8th edition) :
16b.06.03.03  
  (16b) Carbonates - Hydroxyl or Halogen
  (16b.06)
  (16b.06.03) Sjorgrenite-Hydrotalcite Group (Hydrotalcite Subgroup:Rhombohedral)
  
Nickel-Strunz
(10th edition) :
05.DA.50
  (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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