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CUBICITE. 317 4. Cubicite. Kubizit, Werner. Analcimc, Hauy, t. ill. p. 180. Id. Mohs, b. i. s. 385. Id. ld-> cas, p . )i. Id. Brong. t. i. p. 380. Id. Haus. s. 94. Id, lirard, p. 175. Id. Leonhard, Tabel. S. if. Id. Karst. Tabel. s. 30. Id. Hauy, Tabl. p. 51. Id. Steffens, b. i. s. 401.— Kubizit, Hoff. b. ii. s. 251.—Anaicim, Lenz, b. i. s. 457-— Wurfeliger Cubicit, Oken, b. i. s. 349; External Characters. Its colours are greyish and yellowish white, but sel dom milk and reddish white, which latter approaches to flesh-red. It occurs seldom massive; generally crystallised, in the following figures : * 1. Perfect cube, fig, 78 *. 2. The cube flatly and deeply acuminated on all the angles, with three planes, which are set on the lateral planes, fig. 79. When the acuminating planes become larger, and at length all the planes of the fundamental figure disappear, there is formed 3. An acute double eight-sided pyramid, deeply and somewhat flatly acuminated on both extremities, with four planes, which are set on the alternate lateral edges, fig. 80. The * The primitive figure, according to Iiauy, is the cube.