Hydroboracite - Kohnstein Quarry, Niedersachswerfen, Harztor, Nordhausen District, Thuringia, Germany
(#BALD0740)
From a 2011 finding in an inactive quarry, this nice sample of Hydroboracite, with shiny crystals up to 40 mm, intertwined with each other. Uncommon mineral, on a matrix of probable Anhydrite.
Specimen weight:992 gr.
Crystal size:Up to 40 mm
 Overall size:125mm x 108 mm x 48 mm
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Owner : Silvia's Crystals (Piacenza - Italy)