Tiemannite

  
Dull steel gray tetragonal crystals to 0.5 mm with modifications and striations, slight purple tinge.
Origin: Rio Blanco, Pinal De Arvole, Atriagu, Queretare, United States
Sample size: 3 x 2 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Shiny black tiemannite with grey dull massive paraguanajuatite and reddish-black metacinnabar in calcite
Origin: Lucky Boy Mine, Marysvale, Piute Co., Utah, U.S.A.
Sample size: 2.5 x 6 cm
 
Specimen with steel grey patches of tiemannite with biotite and quartz
Origin: Penlee Quarry, Penzance, Cornwall, U.K.
Sample size: 6x4x3 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
  
Tiemannite in calcite
Origin: El Doctor (Doctor), Mun. de Cadereyta, Queretaro, Mexico
Sample size: 3.2 x 2.6 x 3.5 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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