Mineral Information and Data:

Olsacherite
Pb2(Se6+O4)(SO4) [CNMNC approved formula]

Named for Juan A. Olsacher (1903-1964), Argentine mineralogist, University of Cordoba.

IMA status : Approved Species 1969 ()
CLASSIFICATION 
Dana
(8th edition) :
32.01.03.01  
  (32) Compound Sulfates
  (32.01) (anhydrous) with simple bi-anionic formula
  (32.01.03)
  
Nickel-Strunz
(10th edition) :
07.AD.35
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.A) Sulfates (selenates, etc.) without Additional Anions, without H2O
  (07.AD) With only large cations
  
Crystal system: Orthorhombic System
Point group (H-M): 222 — disphenoidal
  
  
  

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