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FOLIATED SPIIENE. 349 Second Subspecies. . r Foliated Sphene. Schaaliger Sphen, Kurslen. Gelb Milnakerz, fVerner. Gelber Titanite, Schnmacker, Vorz. s. 4(5.—Titan siliceo-ca1- caire, Ilauy, t. iv. p. 307.; also Sphene, Id. t. iii. p. 114.— Spathiger Titanit, Rcuss, b. iv. s. 590. Id. Suck. 2ter th. s. 485. Id. Bert. s. 280.—Titanit, Leonhard, Tabel. s. 82.— Schaaliger Sphen, Karsten, Tabel. s. 74.—Titan silieeo-cal- caire, ffautj, Tabl. p. 116.—Spathiger Sphen, Ilaus. Handb. b. ii. s. 614.—Sphene, Aikin, p. 6'8. External Characters. Its colours are pea yellow, straw-yellow, cream yellow, atl d wax yellow, which inclines to brown. It occurs missive, and crystallised in the same figures as the preceding subspecies. I'he lustre on the foliated fracture is splendent or shi- nil) g, on the imperfect conchoidal and uneven fractures, ° n b r shining or glistening, and is intermediate between v, treous and resinous. I he principal fracture is foliated with a double cleav age, parallel with the lateral planes of the oblique four sided prism. The cross fracture imperfect conchoidal, “iclining to uneven. It occurs in lamellar distinct concretions, which are straight or curved. It is translucent, or only translucent on the edges. In