NIKOLAI IVANOVICH VON

KOKSHAROV (1818–1893)  , Russian mineralogist and major-general in the Russian army, was born at Ust-Kamenogork in Tomsk, on the 5th of December 1818 (o.s.) . He was educated at the military school of mines in St Petersburg . At the age of twenty-two he was selected to accompany R . I . Murchison and De Verneuil, and afterwards De Keyserling, in their geological survey of the Russian Empire . Subsequently he devoted his attention mainly to the study of mineralogy and mining, and was appointed director of the Institute of Mines . In x865 he became director of the Imperial Mineralogical Society of St Petersburg . He contributed numerous papers on euclase, zircon, epidote, orthite, monazite and other mineralogical subjects to the St Petersburg and Vienna academies of science, to Poggendorf's Annalcn, Leonhard and Brown's Jahrbuch, &c . He also issued as separate works Malerialen zur Mineralogie Russlands (ro vols., 1853–1891), and Vorlesungen fiber Mineralogie (1865) . He died in St Petersburg on the 3rd of January 1893 (o.s.) .