Tochilinite

Grayish-black metallic crystals of tochilinite
Origin: Brosso Mine, Ivrea, Torino Province, Piedmont, Italy
Picture size: 5 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Tochinilite with orpiment, analysed
Origin: Grube Lengenbach, Binntal, Wallis, Switzerland
Sample size: 2 x 3 cm matrix
 
Origin: Otamo, Siikainen, Finland
Sample size: micromount
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Bronze needle-like crystals to 1 mm throughout calcite matrix.
Origin: Number 3 mine, Cornwall, Lebanon Co., Pennsylvania, United States
Ex. DeVito collection
Sample size: 9 x 5 x 4 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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