TQ86AM0: Excellent specimen, of high quality and very representative of specimens from the locality. Free of alteration, with polysynthetic parallel growths, with sharp surfaces and small crystals with very well defined faces and edges, which is quite unusual for the species.
The specimen is from the Bruno Cerato collection, whose label we will send to the buyer.
Tazna Mine (Tazna-Rosario Mine), Cerro Tazna, Atocha-Quechisla District, Nor Chichas Province, Potosí Department  Bolivia

Specimen size: 9.6 × 9.5 × 3.7 cm = 3.78” × 3.74” × 1.46”