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SPHENE. 34 5 under the same name; hut the red colour, perfect fo liated fracture, twofold rectangular cleavage, and cubical fragments of Iiutile, distinguish it at once trom Nigiine. 4. It has some resemblance to Wolfram, but it is hard er, lighter, and has a higher lustre, and darker colours. 4. Spliene. Sphen, IIany Karslcn. This species is divided into two subspecies, viz. Com. Mon Sphene and Foliated Sphene. " First Subspecies. Common Sphene. Gemciner Sphen, Karsten. llraun Miinakerz, Werner. brauner Titanit, Schumacher’s Vcrz. s. 114.—Titane Silieeo- cakulre, Ilauy, t. iv. p. 307-; also Sphene, Ilauy, t. iii. p. 114. —Gemeiner 'l'itanit, Ileuss, b. iv. s. 584.—Gemeiner T.ita- nit. Suck. 2ler th. s. 481.—Brnnon, Mohs, b. iii. s. 4()5—Id. Titanit, Leonhard, Tabel. s. 82.—Gemeiner Sphen, Karsten t Tabcl. s. 74.—Titanc-silicco caleaire, Hawj, Tabel. p. 11(5.— Gemeiner Sphen, Hausmann Handb. b. ii. s. Cl3.—Sphene, t Atkin, p. C8. External Characters. Its colours are reddish, yellowish, and blackish-brown, also grass-green, pistachio-green, asparagus green, olive- green, yellowish-grey, and greenish-white. It