Mineral Information and Data:

Challacolloite
KPb2Cl5 [CNMNC approved formula]

Named for the locality: Challacollo Silver mine, south east of Iquique, Atacama desert, northern Chile.

IMA status : Approved Species 2004 ()
CLASSIFICATION 
Dana
(8th edition) :
11.05.08.01  
  (11) Halide Complexes; Alumino-fluorides
  (11.05) where (A)m B (X)6
  (11.05.08) Challacolloite Group
  
Nickel-Strunz
(10th edition) :
03.AA.55
  (03) Halides
  (03.A) Simple Halides, Without H2O
  (03.AA) M:X = 1:1, 2:3, 3:5, etc.
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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