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golden-tarnished crystals of the copper tin sulfide stannite
A beautiful cabinet specimen
The tourmaline grew freely and naturally
Harz Mountains
5 ct (with some matrix)
Probertite - Kohnstein, Niedersachswerfen 🇩🇪 Schwarzwald/Black Forest golden-tarnished crystals of the copperAlmost certainly one of, if not the largest probertite ever recovered, and on matrix. Probertite has a brutally high cleavage, and the discovery situation in the quarry was precarious. There were only two people who dared to venture there, and the period in which the mineral bearing layer was even accessible ended after just two years. Size: 16. 5 x 4. 4 x 2. 3 cm Origin: Stbr. am Kohnstein, Niedersachswerfen, Thuringia, Germany
US$ 284.02
US$ 1811.38
US$ 71.50
US$ 32.50
US$ 42.75
US$ 74.07
US$ 173.04
US$ 199.25
US$ 262.55
US$ 79.98
US$ 199.50
