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RM2960   Hydroboracite and anhydrite

Kohnstein Quarry, Niedersachswerfen, Nordhausen, Thuringia, Germany

Very rich specimen formed by several hydroboracite crystals, with a very elongated prism and well-defined faces and edges. Totally colorless, transparent and with an extraordinary brightness. A piece of the best quality for the species. It belongs from a currently inactive quarry in the Harz mountains.

Size: 7.3 x 5.7 x 1.7 cm.
Main crystal: 10 mm.
Found in 2014.