Mineral: Hydroboracite
Locality: Niedersachswerfen, Nordhausen District, Thuringia/Thüringen, Germany
Dimensions: 8 x 6.5 x 5 cm / main crystal: 4.5 cm

Description: Mass: 139 g MIM number: 1512 Probable year of extraction : 2012 Perfectly formed, colorless, lustrous crystals on a matrix. Photographer: AINU / Augustin de Valence

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