Cornwallite

 
 
Origin: Tintic district, Juab Co., Utah
Owner: Lou Perloff
Microscopic image
 
Cornwallite with austinite (green balls)
Origin: Gold Hill mine, Deep Creek Mts., Tooele Co., Utah, U.S.A.
Owner: Lou Perloff
Microscopic image
 
Origin: Majuba Hill mine, Pershing Co., Nevada, U.S.A.
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

  
Botryoidal crust of cornwallite and cornubite
  
Origin: Majuba Hill mine, Pershing Co., Nevada, U.S.A.
Sample size: 4 x 2 x 2.5 cm (top), 5 x 4 x 3 cm (bottom)
 
  
Bright green cornwallite spheroids with light grass green sprays of olivenite
Origin: Candelaria mine, Esmeralda Co., Nevada, U.S.A.
Sample size: 5 x 3 x 1.5 cm
 
  
 
  
Very resinous or highly lustrous spherules to 0.5 mm associated with azurite.
Origin: La Atalaya prospect, Mazarron-Aguilas mining district, Murcia, Spain
Sample size: 5 x 4 x 5 cm (top), 5 x 4 x 4 cm (bottom)
 
  
Cornwallite on quartz
Origin: Clara mine, Wolfach, Schwarzwald, Baden-Württemberg, Germany
Sample size: 6.5 x 5 x 3 cm, crystals to 0.5 mm
 
  
Cornwallite with light green mixite
Origin: Gold Hill mine, Tooele Co., Utah, United States
Sample size: 5 x 4 x 2.5 cm
 
  
  
Globular or spheroidal, glassy green crystals of cornwallite to 0.2 mm associated with platy blue richelsdorfite crystals and possible strashimerite.
Origin: Burrus mine, Washoe Co., Nevada, United States
Sample size: 5 x 4 x 3 cm
 
  
Origin: Majuba Hill mine, Pershing Co., Nevada, United States
Ex. Kidwell collection
Sample size: 7 x 5 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Cornwallite (dark) and conichalcite
Origin: Gold Hill mine, Deep Creek Mts., Tooele Co., Utah, U.S.A.
Owner: Milton Speckels
Sample size: about 2 cm
 

Photo courtesy of: 

Milton Speckels

Photo-Atlas of Minerals

 

Origin: Grube Clara, Oberwolfach, Schwarzwald, Germany
Sample size: Bright green spheres to 0.5 mm on matrix
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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