Dyscrasite

Origin: Mine #21, Pribram, Czech Republic

Sample size: crystals to 1.5 cm

 

  

Dull steel grey, massive with some minor crystal forms in barite matrix with other sulfides present.

Origin: St. Andreasberg, Hartz Mountains, Germany

Ex. Kidwell collection

Sample size: 6 x 4.5 x 2 cm

 

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Origin: Pribram, Bohemia, Czech Republic

Sample size: 7 x 6 x 6 cm (top), 4.5 x 4.5 x 3.3 cm (2nd/bottom row)

 

Origin: Andreasberg, Harz Mtns., Germany

Ex. Mark Feinglos collection

Sample size: 2.7 x 2.6 x 1.9 cm

 

  

Slabbed specimen of bright, metallic-gray dyscrasite crystals embedded in artfully shaped, massive, dark gray "allemontite" and nicely contrasted by lustrous, off-white adularia from the original find at Pribram, Czech Republic. Allemonite is natural alloy of variable composition of arsenical antimony.

Origin: Uranium Mine 21, Pribram, Bohemia, Czech Republic

Ex Josef Vajdak collection

Sample size: 7.8 x 6.5 x 1.2 cm

 

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Origin: St. Andreasberg, Harz Mountains, Germany

Sample size: 3 x 2 x 3.7 cm, crystal  4 x 6 mm

 

  

  

Dendritic very finely crystallized silver metallic dyscrasite set on a massive white calcite and dark native arsenic rich matrix.

  

Origin: Uranium Mine No. 21, Pribram, Bohemia, Czech Republic

Sample size: 3.5 x 3.2 x 6 cm (top/2nd row), 7.2 x 5 x 5.1 cm (bottom)

 

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Origin: Pribram, Bohemia, Czech Republic

Sample size: 27 mm

 

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