Clausthalite

  

Silvery to dull grey crystal masses in barite matrix

Origin: Tilkerode, Harz, Germany

Sample size: 3 x 2.5 x 2 cm

 

  

Origin: Schlema, Erzgebirge, Germany

Ex. Kidwell collection

Sample size: 6 x 4 x 4 cm

 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

 

Grey metallic massive clausthalite with sulphides in quartz, siderite matrix

Origin: Tilkerode, Harz, Germany

Sample size: 4 x 4 cm

 

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Rich brownish to black bubbly masses of inter-mixed clausthalite and tiemannite are filling a vein section in matrix. This is known as the variety "lehrbachite".

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