Mineral Information and Data:

Mallestigite
Pb3Sb(SO4)(AsO4)(OH)6 • 3H2O [CNMNC approved formula]

Named after the locality: Dump of a Cu-Pp-Zn mine 1 km NW of Mallestiger Mittagskogel, Finkenstein, Villach, Kärnten, Austria.

IMA status : Approved Species 2002 ()
CLASSIFICATION 
Dana
(8th edition) :
31.07.06.04  (This Dana# Added)
  (31) Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.07) where (A+ B++)2 (XO4) Zq · x(H2O)
  (31.07.06) Despujolsite Group
  
Nickel-Strunz
(10th edition) :
07.DF.25
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.D) Sulfates (selenates, etc.) with additional anions, with H2O
  (07.DF) With large and medium-sized cations
  
Crystal system: Hexagonal System
Point group (H-M): 622 — trapezoidal
  
  
  

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