Volltext Seite (XML)
305 EARTHY SALTS. Epsom Salt. Naturlicher Bittersalz, Werner. Sal neutrum acidulare, Wall. t. ii. p 71.—Sal d’Epsom; Sel de Sedlitz; Sel d’Angleterre; Vitriol de Magnesia, Rome de I,isle, t. i. p. 506.—Naturlicher Bittersalz, Wid. s. 595.— Epsom Salt, Kirn. vol. i. p. 12.—Naturlicher Bittersalz, Estner, b. iii. s. 44*. Id. Emm. b. ii. s. 14.—Le Sel amere natif, ou Le Sel d’Epsom natif, Brock, t. ii. p. 11.—Magnesie sulpha- tee, Hauy, t. ii p. 331.-336.—Bittersalz, Reuss, b. iii. s. 53. Id. Lnd b. i. s. 182. Id Stick. 2*e r th. s. 21. Id. Berl. s. 324. Id. Molts, b ii. s. 271- Id Leonhard, Tabel. s. 46.—Mag nesie sulphatee, Brong- t. i. p. 165.—Haarsalz, Karst. Tabel. s. 56—Bittersalz-fasriges, haarformiges, & mehliges, Uaus. s. 120. Id. Lem, b. ii. s. 1015.—Sulphat of Magnesia, Aikin, 2d edit. p. 251. External Characters. Its colours are snow-white, greyish-white, and yellow ish-white, and sometimes ash-grey, and smoke-grey. It occurs in farinaceous crusts, in flakes, small botryoi- dal, reniform, and in acicular and capillary prismatic crystals *. The farinaceous variety is dull, the others shining, or glistening, and pearly. It varies from transparent to opaque. It is soft. It * The crystallizations of Artificial Epsom Salt are the following: 1. Rectangular four-sided prism, either bevelled on the extremities, or acuminated with four planes. 2. Six-sided prism, acuminated on the extremities with four planes, a 1 ’ 4 ' the edges of the acumination truncated.