Cyanotrichite

  
  
Cyanotrichite with clear fluorite (bottom right)
  
  
 
  
 
  
  
 
  
  
 
     
Cyanotrichite with malachite and fluorite
Origin: QuingLong, Gui Zhou, China
Sample size: top/2nd row 7 x 5 x 3 cm, sprays to 2 mm, 3rd/4th row 6 x 6 x 5 cm
5th/6th row 10 x 5 x 2 cm, crystals to 5-6 mm, 7th/8th row 7 x 7 x 6 cm
9th/10th row 6 x 5 x 5 cm, sprays to 3 mm, bottom 7 x 4 x 4 cm, crystals to 5 mm
 
    
 
  
Cyanotrichichite on brochantite
  
Origin: Grandview mine, Coconino Co., Arizona, U.S.A.
Sample size: 4 x 3 x 2 cm (top), 3.1 x 2.5 x 2 cm (2nd row), 6 x 5 x 3 cm (bottom)
 
  
 
  
 
  
 
  
Origin: Tunnel NW of Rio Vista mine, San Bernardino Co., California, United States
Ex. DeVito Collection
Sample size: 4 x 3 x 3.5 cm (top), 5 x 4.5 x 3 cm (2nd row), 5 x 4 x 3 cm (3rd row), 3 x 2 x 1.5 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Origin: Qinglong, Guizhou Province, China
Sample size: 7 x 4.5 x 4.5 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Nice light blue needles and spherical aggregates with colourless fluorite cubes on matrix
Origin: Tungui, Guangxi, China
Sample size: miniature
 
Aggregates of small blue cyanotrichite with minor malachite scattered on matrix
Origin: Barrancos, Moura, Portugal
Sample size: 2.5x4 cm matrix
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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