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Bolivia008 - Franckeite and Franckeite var. Potosíite - San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
Bolivia008 - Franckeite and Franckeite var. Potosíite -  San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia

Extremely rich specimen of these two rare tin sulphosalts with crystals to 4 mm. The specimen is essentially a floater mass of crystals with no matrix; some of the crystals are twinned. Potosíite is a Sn(II)-poor variety of franckeite once thought to be a separate species. 7.7 x 4.6 x 2.6 cm.

Price: $450.00
411.71 £347.81 ¥50,130
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