Volltext Seite (XML)
36 HORNBLENDE FAMILY. Observations.—It is distinguished from Kyanite by in r ferior hardness, opalescence, and fracture 5. Schiller-Spar. Schillerstein, Werner. Schillerspath, ou Spath chatoyant, Broch. t. i. p. 431. Sehillerende Hornblende, Ileuss, b. ii. 1. s. 153.—Schiller stein, Lml. b. i. s. 134. Id. Suck. lr th. s. 134. Id. Bert. s. 532. Id. Mohs, b. i. .s. 557. Id. Hah. s. 30. Id. Leon hard, Tabel. s. 28.—Diallage chatoyante, Brong. t. i. p. 442. —Smaragdit, Karsten, Tabel. s. 40.—Sehillerende. Horn blende, Haus. Nordeutsche Beit. b. i. s. 1 Diallage metal- loide, Ilauy, Tabl. p. 47.—Schillerstein, Steffens, b. i. s. 371. Id. Letiz, b. ii. s. 6Gl. External Characters. Its colours are celandine-green, leek-green, olive-green, which latter passes into pinchbeck-brown, and brass-yel low ; also reddish-brown, silver-white, and greenish-black, inclining to emerald-green. It occurs in folia, which are sometimes indeterminate angular, sometimes rounded or hexangular, and imbed ded in parallel interrupted portions f. The * Schlottheim, Magaz. d. Gesellsch. Nat. Frcunde zu Berlin, 1. 4. p. 303. f The primitive form of Schillemone, according to Hausmann, is the same as that of Hornblende, with this difference, that the folia parallel with the t>asis of the figure, are very distinct and large, whereas the others are indis tinct, and of small dimensions. According to the more correct observations of Bournon, the primitive form is a rectangular four-sided prism, in which' the bases, which are rectangles, arc set on the broadest lateral planes, in su yh a manner as to form with them anglej o(, 95° and 85°. The prism It