Mineral Information and Data:

Sincosite
Ca(V4+O)2(PO4)2 • 5H2O [CNMNC approved formula]

Named for the locality: Sincos, Dept. Junin, Peru.

IMA status : Valid species (Pre-IMA 1924) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
42.11.19.01  
  (42) Hydrated Phosphates Containing Hydroxyl or Halogen
  (42.11) where (AB)4 (XO4)3 Zq · x(H2O)
  (42.11.19) Sincosite Group
  
Nickel-Strunz
(10th edition) :
08.CJ.65
  (08) Phosphates, Arsenates, Vanadates
  (08.C) Phosphates without Additional Anions, with H2O
  (08.CJ) With only large cations
  
Crystal system: Tetragonal System
Point group (H-M): Unknown — Unk
  
  
  

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