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TIN-FYRITES. 437 ORDER XI.—TIN. This Order contains only three species, viz. Tin-py- 1'Ites, Tinstone, and Wood-tin or Cornish Tin ore. 1. Tin-pyrites. Zinnkies, Werner. Id. Wid. s. 875.—Tin-pyrites, Kim. vol. ii. p. 200.—Zinnkies, Emm. b. ii. s. 418.—F.taine sulphure, Lam. t. i. p. 279- Id. Hatty, t. iv. p. 154.—I.a I’yrite d’Etaine, ou l’Etain pyriteux, Broch. t. ii. p. 832.—Zinnkies, Iieuss, b. iv. s. 286. Id. Lud. h. i. s. 267* Id. Suck. 2 tcr th. s. 354. Id. Bert. s. 440. Id. Mohs, b. iii. s. 591.—Etain sulphure, Lucas, p. 151.—Zinn kies, Leonhard, Tabel. s. 75.—Etain pyriteux, Brong. t. ii. P- 191.—^Etain sulphure, or Mussif natif, Brard, p. 337.— Zinnkies, Karsten, Tabel. s 70. Id. Hans. s. 74.—Etain ’ulpluire, Hatty, Tabl. p. 102.—Sulphuret of Tin, Kid, vol. ii. P. 154.—Tin-pyrites, Aikiv, p. 52, External Characters. v Its colour is intermediate between steel-grey and brass- yellow, but usually more inclined to the first. It occurs massive and disseminated. Internally it is glistening, sometimes shining, and the lus tre is metallic. 1 he fracture is small and coarsegrained uneven; o R °metimes inclining to small and imperfect conchoidal, a, 'd imperfect foliated. E e 3 The