Tegengrenite

Red pseudo-octahedral crystal of tegengrenite
Origin: Jakobsberg, Nordmark, Filipstad, Värmland, Sweden
Picture size: 0.8 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Dark red with manganosite; Collected in 1954, analysed by the Bergskolen Filipstad
Origin: Nordmark, Värmland, Sweden
Sample size: micromount
 
Small darkred grains in calcite, hausmannite, brucite matrix 
Origin: Jacobsberg, Nordmark, Värmland, Sweden (type locality)
Sample size: micromount
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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