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350 SULPHUR FAMILY, First Subspecies. Common Sulphur. Gemeiner natiirlicher Schwefel, Werner. Sulphur nativum purum flavum, Wall. t. ii. p. 123 Soufre, Rome de Lisle,, t. i p. 23. Id. De Born, t. ii. p. 9).—Natiir licher Schwefel, Wid. s. 646. Id. Wern. Pabst. b.i. s. 368— Native Sulphur, Kirn. vol. ii p. 69.—Natiirlicher Schwefel, Estner, b. iii. s. 178. Id. Emm. b. ii. s. 189—Soufrc, Lam. t. i. p. 68.—Le Soufre natif, 'Brock, t. ii. p. 37—Soufre, Ilauy, t. ii p 277.-287 —Schwefel, Reuss, b. iii s. 84. Id Lud b. i. s. 184. Id. Stick. 2ter t h. s. 38. Id Bert, s 338. Id. Mohs, b. ii s. 277. Id. Leonhard, Tabel. s. 47—Soufre, Brong. t. ii. p. 68—Schwefel, Karsten, Tabel. s. 58. Id. Ilatts. s. 67 —Sulphur, Kid, vol. ii. p. 30.—Gemeiner na tiirlicher Schwefel, Lertz, b. ii. s. 1033—Sulphur, Aikin, p. 5. External Characters. The principal colour is sulphur-yellow, of different de grees of intensity : it occurs also honey-yellow, lemon- yellow, and wax-yellow, with an intermixture of grey and brown. It occurs massive, disseminated, in crusts, in dusty particles; and crystallised in the following figures: 1. \ ery acute octahedron, or double four-sided pyra mid, in which the base is oblique *, fig. 148- The pyramid sometimes terminates in a line +» fig 149.; sometimes appears truncated on ll' e apices fig. 150. or two opposite angles ||» fig* '* Soufre piimitif, Ilauy. t Soufre cuneiforme, Hauy. 4 Soufre base, Ilauy. II Soufre unitaire, Hauy.