Mineral Information and Data:

Betekhtinite
(Cu,Fe)21Pb2S15 [CNMNC approved formula]

Named for Anatolii Gergievich Betekhtin (1897-119620, Russian mineralogist and economic geologist.

IMA status : Valid species (Pre-IMA 1955) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
02.16.08.01  
  (02) Sulfides - Including Selenides and Tellurides
  (02.16) with miscellaneous formulae
  (02.16.08)
  
Nickel-Strunz
(10th edition) :
02.BE.05
  (02) Sulfides
  (02.B) Metal Sulfides, M:S > 1:1 (mainly 2:1)
  (02.BE) With Pb (Bi)
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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