Potosite (var. di franckeite) – San Josè mine – Oruro – Cercado Prov. - Bolivia
(#GM23003)
The surface of this specimen is completely covered with needles and blades of potosite, a variety of franckeite.
Specimen weight:190 gr.
Crystal size:mm. 5
 Overall size:65mm x 50 mm x 27 mm
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Owner : GMineral (Voghera - Italy)