Diamonddictionary.org

Raulconda diamond. A 103-carat fashioned stone that was seen by Tavernier at the Raulconda Mine, In­dia, where Diamonds were cut as well as mined. Nothing more is known of this stone. Rebentisch, W. See guenther, r l. recovery plant. A plant in which blue ground from a diamond mine, or the gravel from an alluvial deposit, is treated in order to recover the dia­monds. See mill.