Johannsenite

Johannsenite on axinite
Origin: Franklin, Sussex Co, New Jersey, U.S.A.
Owner: Lou Perloff
Microscopic image
 
Origin: Iron Cap mine, Aravaipa Dist., Graham Co., Arizona, U.S.A.
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

 
Origin: Broken Hill, Australia
Sample size: 2 x 2 x 1.4 cm (top), 4.9 x 4.0 x 3.7 cm (bottom)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Cream colored fanning aggregates, no matrix
Origin: Campiglia, Tuscany, Italy
Sample size: 4 x 6 cm
 
Origin: Broken Hill, New South Wales, Australia
Sample size: 1 x 1.4 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Blocky black crystals of johannsenite to 7 mm on edge frozen in a massive chalcopyrite matrix.
Origin: Broken Hill, New South Wales, Australia
Sample size: 3 x 3.5 x 5 cm
 
  
 
  
 Matrix hosting an open vug lined by brownish johannsenite crystals. Scattered richly about this are colourless hemispheres of calcite to 3 mm in size. Minor sphalerite in association.
Origin: Iron Cap mine, Landsman Camp, Aravaipa district, Pinaleno Mts., Graham Co., Arizona, U.S.A.
Sample size: 3.5 x 3.2 x 3.5 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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