Gabrielsonite

  
Jet black, lustrous crystal grain, showing no faces, fractured to about 0.75 mm with pectolite in hematite matrix
Origin: Langban, Varmland, Sweden (type locality)
Sample size: 2.5 x 1.5 x 1.5 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

 
  
Greyish black massive with hematite, pectolite and pyroxene
Origin: Långban, Värmland, Sweden
Sample size: micromount (top), 2 x 3 cm (bottom)
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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