Arsenolamprite

  
Arsenolamprite in calcite
Origin: Mackenheim, Odenwald, Germany
Sample size: 2 x 2 x 1 cm, crystal 1 mm
 
  
This specimen shows two large, 1 cm, crystal aggregates composed of platy, dull black crystals tarnished black. Fresh it is silvery.  Associated with arsenopyrite
Origin: Alacran mine, Pampa Larga mining district, near Tierra Amarilla, Chile
Sample size: 4x4x4cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Origin: Glasberg quarry, Nieder-Beerbach, Odenwald, Germany
Sample size: micromount
 
Dark grey metallic on matrix
Origin: Nieder-Beerbach, Odenwald, Germany
Sample size: micromount
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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