Mineral Information and Data:

Nealite
Pb4Fe(AsO3)2Cl4 • 2H2O [CNMNC approved formula]

Named of Leo Neal Yedlin (1908-1997), micromount mineral collector of New Haven, Connecticut, USA.

IMA status : Approved Species 1980 ()
CLASSIFICATION 
Dana
(8th edition) :
41.04.06.01  
  (41) Anhydrous Phosphates Containing Hydroxyl or Halogen
  (41.04) where (A B)5 (XO4)2 Zq
  (41.04.06)
  
Nickel-Strunz
(10th edition) :
04.JD.05
  (04) Oxides and Hydroxides
  (04.J) Arsenites, Antimonites, Bismuthites, Sulfites,
  (04.JD) Arsenites, antimonites, bismuthites; with additional anions, with H2O
  
Crystal system: Triclinic System
Point group (H-M): 1 — pinacoidal
  
  
  

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