Joesmithite

  
 
  
  
Origin: Långban, Sweden
ex. Dan Johansson collection (collected in 1989)
Sample size: 5.5 x 3.5 x 2 cm (top/2nd row), 5.5 x 5 x 4 cm (3rd/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
This specimen contains lath-like crystals of  joesmithite to 2 mm in length in a matrix of calcite and hematite.
  
Ex. Mark Feinglos collection
Origin: Långban, Sweden
Sample size: 3.6 x 3 x 2 cm (top/2nd row), 6.8 x 5.5 x 2.6 cm (3rd/bottom row)
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

Small brown crystals in matrix
Origin: Långban, Värmland, Sweden
Sample size: micromount
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Dark red to brown grains to about 0.3mm in matrix.
Origin: Långban, Filipstad, Värmland, Sweden (type locality)
Ex. Kidwell collection
Sample size: 3.5 x 3 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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