I C 10 5 ) seventeenth species. Emerald. Schmaragd.—Werner. pellucidiflima. Smaragdus, Wall. t. i, p. 2J3 — Etneraude du Perou, R. d. L. t. 2. p. 245.—Schmar- *§<!• Wcrn. Crtnjl. p. 102. Ib. Will. p. 271—Emerald, vol. i. p. 247 —Smaragd. E/lner. b. 2. p. 13^.— Sn »eraldo, Nap. p. 122. Lam. t. 2. p. 227. Brochant. p. 217—Emeraude, verte Hauy. t. 2. p. 516. External Characters. * ts chara&eriftic, and, we might almoft: fay, its nI Y colour, is emerald green, of all degrees of in- u y» from deep to pale. The deep fometimes in- oft nes a little to verdegris green, and fometimes, and en cr, to grafs green : the pale varieties fometimes ea ‘ly p a f g j nto gfggfjjdj w hite. 0 f f ls to occur maflive, and in rolled pieces, but , r Uc Werner has feen no fpecimens; he has only ctved it cryftallized in ill ° W ’ ec l u * an gular, fix-fided prifms, which are 5 perfect; 2d, truncated on the lateral edges; P
