Phurcalite

  
Origin: Shale mine, Tembler Range, Kern Co., California, United States
Sample size: 2 x 2 x 1 cm
 
  
 
 
  
  
Yellow radial, acicular sprays to about 0.2 mm in diameter with good coverage on malachite. Ex. DeVito collection
Origin: Posey mine, San Juan Co., Utah, United States
Sample size: 10 x 5 x 3 cm, crystals to 1 mm (top), 6.5 x 4.5 x 2 cm (2nd row), 7 x 4 x 2 cm (3rd/bottom row)
 
  
 
  
Bright yellow sprays to about 0.2 mm. Interestingly are yellow tabular crystals under the phurcalite, which are probably replacement of torbernite or autunite.
Origin: El Azul mine, Los Azules district, Copiapo Province, Atacama, Chile
Sample size: 3.5 x 2.5 x 1 cm (top/2nd row), 3 x 2 x 2 cm (3rd/bottom row)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Origin: Posey Mine, Red Canyon, San Juan Co., Utah, U.S.A.
Sample size: 7.9 x 4.3 x 2.5 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Bright yellow in cavities in matrix
Origin: Coaldale Jct., Esmeralda Co., Nevada, U.S.A.
Sample size: thumbnail
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

Phurcalite with torbernite
Origin: Monakoff Mine, Queensland, Australia
Sample size: unknown
Sample owner: Steve Sorrell
 

Photo courtesy of: 

Steve Sorrell

Crocoite.com

 

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