Hydroboracite

specimen number:
2354233

location:
Emet Eti Bor Mine, Espey, Emet, Kutahya, Turkey

description:
A solid grouping of prismatic lustrous white hydroboracite crystals. In good condition and quite choice for the species.

Located in the western Anatolian region of Turkey, the Emet borate deposit near Kutahya is hosted within Neogene lacustrine sedimentary basins characterized by alternating layers of claystone, marl, and thick evaporite sequences formed through the evaporation of ancient saline lakes. The mining history of this area dates back decades, evolving into large-scale industrial open-pit operations that make Turkey a global leader in borate production for glass, ceramic, and agricultural applications. Within these extensive evaporite beds, collectors and researchers frequently encounter hydroboracite, a hydrated calcium magnesium borate mineral that crystallizes as fibrous or radiating prismatic aggregates in response to low-temperature chemical precipitation and diagenetic alteration within the boron-rich lake sediments.

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