Updated 4d ago

Cylindrite

$150.00

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Rare pseudocubic crystals of metallic maroon Toyohaite (a silver iron tin sulphide) on botryoidal metallic micro-bladed crystals of Franckeite and Cylindrite from the Pirquitas silver-tin deposit in Argentina. Franckeite from this locality was once named Potosiite, but this species has since been discredited and is now classified as a Sn(II)-poor variety of Franckeite. A really great assemblage of these very rare species and an extremely rare example from this important ore deposit.