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Chalcopyrite with Stannite, Arsenopyrite and Muscovite
Chalcopyrite with Stannite, Arsenopyrite and Muscovite.
Chalcopyrite with Stannite, Arsenopyrite and Muscovite. Chalcopyrite with Stannite, Arsenopyrite and Muscovite.
 

NV27X9: Brass-colored Chalcopyrite crystals with superficial iridescence, with slightly golden dark gray Stannite intergrowths. They are on matrix, with Arsenopyrite crystals and Muscovite coatings. We’ll send a copy of the analysis of the Stannite to the buyer.
This specimen has been reviewed and published in the magazine ‘Lapis’ on page 49, volume 39, number 7-8, July-August 2014
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2004)

Specimen size: 10.5 × 8.8 × 6.3 cm = 4.13” × 3.46” × 2.48”






  
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