Mcalpineite

Dark green crystals of mcalpineite
Origin: Centennial Eureka Mine, Eureka, Tintic District, Juab Co., Utah, USA
Picture size: 1.7 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

  
Fine olive green crystals, almost a crystalline crust, with unknown blue minerals
  
 
  
 
 
  
Grass green micro crystals, associated with unknown greenish blue tellurite.
  
 
  
 
  
Origin: Centennial Eureka mine, Juab Co., Utah, United States
Sample size: 4 x 3 x 2.5 cm (top), 3 x 3 x 1.5 cm (2nd row), 5 x 3 x 2 cm (3rd row),  3 x 4 x 2.5 cm (4th row), 4 x 3 x 2 cm (5th row), 4.5 x 3 x 3 cm (6th row), 5 x 3 x 3 cm (7th row), 6 x 3 x 2 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Origin: Centennial Eureka Mine, Tintic District, Juab Co., Utah, U.S.A.
Sample size: micromount
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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