Calcite from Nikolaevskiy Mine, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Kavalerovo mining district, Primorskiy Kray, Far-Eastern Region, Russia. Comes with certificate of authenticity Average Weight (Carats): 2270.1 ct Dimension (mm) : 90 x 90 x 80 mm Réf. : SKU028574