. Annual report of the regents of the university on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. onate of copper occur in the same Rep. on Geol., Ath Dist., p. 67. This mineral is also occasionally found in the Taconic slate. Em-mons Rep. on Geol., 2d Dist., p. 158. RUTILE. (Mineralogy of New-York, page 428.) According to Damour, this mineral is identical in composition withanatase. Phil. Mag. <$• Ann., xxiv., p. 477. SPHENE.(Mineralogy of New-York, page 433.) A brown mineral resembling sphene, but supposed t
. Annual report of the regents of the university on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. onate of copper occur in the same Rep. on Geol., Ath Dist., p. 67. This mineral is also occasionally found in the Taconic slate. Em-mons Rep. on Geol., 2d Dist., p. 158. RUTILE. (Mineralogy of New-York, page 428.) According to Damour, this mineral is identical in composition withanatase. Phil. Mag. <$• Ann., xxiv., p. 477. SPHENE.(Mineralogy of New-York, page 433.) A brown mineral resembling sphene, but supposed to be different, issaid to have been found in Rossie, St. Lawrence county. Emmons*Rep. on Geol., 2d Dist., p. 366. Sphene has been found in Putnam Valley, Putnam county, by P. Fountain. 151 Roses analysis of the sphene of Zillerthal gave the following results :silica 32-29; titanic acid 41*58; oxide of iron 1-07; lime 29* analysis was effected by sulphuric acid, and the details are givenin the Phil. Mag. fy Ann. xxvii. p. 560. A new process for the analysis of this mineral, invented by Fuchs,is described in Berzelius Annual Rep. for 1845, p. The Lederite of Shepard, it now appears, is identical with commonsphene in its crystallographic and other characters. The accompanyingfigure illustrates its crystallization. ADDITIONS Of Mineral Species found in this State since the date of the publicationof the Mineralogy of New- York, COLUMBITE. This mineral has been found by Dr. Leonard, associated with chryso-beryl at the remarkable locality in the town of Greenfield, Saratogacounty. LOXOCLASE. This name has been applied by Breithaupt to a mineral received fromProf. Shepard. It was found in Hammond, St. Lawrence county, withpyroxene, graphite and calcareous spar. In many respects it resemblesoligoclase (soda spodumene ;) color yellowish-gray, yellowish-white, peayellow and blueish gray. Lustre between vitreous and greasy; pearlyon the most perfect cleavage surface.
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