Guanacoite

  

Superb, fine light blue prismatic crystals to 1 mm in a vug lined with conichalcite and also associated with arhbarite. New mineral IMA 2003-021

  

 

  

 

  

 

  

Guanacoite with minor arhbarite

  

Deep blue, bladed, glassy crystals to 0.75mm lining vugs of arhbarite. Also associated is possible bayldonite.

Origin: El Guanaco mine, Guanaco, Taltal, Antofagasta, Chile (type locality)

Sample size: 3.5 x 2 x 2 cm (top), 5 x 5 x 2.5 cm (2nd row), 5.5 x 3 x 2 cm (3rd row), 5 x 4 x 2 cm (4th row), 6 x 4 x 2 cm (5th row), 4.5 x 4 x 3 cm (bottom)

 

  

  

Origin: Soledad mine, Guanaco district, near Taltal, Chile

Sample size: 4.5 x 3 x 3 cm

 

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This specimen has exceptional crystals of the rare mineral guanacoite. They are blocky and of a deep royal blue colour. The largest is 3 mm in length! Also present is some minor arhbarite.

Origin: Soledad Mine, Guanaco Dist., Tal Tal, Chile

Sample size: 4.7 x 2.3 x 1.7 cm

 

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