Cobaltaustinite

Green tabular crystal of cobaltaustinite
Origin: Rappold Mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany
Picture size: 3 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Dull green commonly botroydal coatings on albitite
Origin: Dome Rock, South Australia, Australia
Sample size: 1.5 x 2.5 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Green crystalline crust in 5 mm patches with erythrite
  
 
  
Grass green micro crystals to less than 0.05 mm in small patches across matrix
  
Origin: Dome Rock, South Australia, Australia (type locality)
Sample size: 5.5 x 3 x 3 cm (top), 3.5 x 2 cm x 5 mm (2nd row), 2.5 x 1.5 cm x 5 mm (3rd row), 3 x 1 x 1.5 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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