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T W E .N T Y - E I G II T H SPECIES. Chryfopras. r , • ■ r : «ijd c f>r_. .. Krifopras.—Werner. Achates—prailus, Wall, t, i. p. 292.—Ckryfoprafe, Rome d- L. t. 2. p. 167 Krifopras, Wem. Croujl. p. 99. Id. TVid. p. 356.— Chryfoprafium, Kirzv. vol. 1. p. 284. —-Cryfopras, E>lncr, h. 2. f. 349. Id. Emm. b. 1. f. 174* —Cijfopiafio, Nap. p. 193. Lam. t. 2. p-'i77-—ha Chiy- f°prafe, Brock, t. 1. p. 280.—Quartz—agathc prafe, Hatty, -I 1 h r . ’• • Z-lor ' t •; .. ■ External Charaflers. hs chara&eriftic colour is apple green, which is of degrees of intenfity ; it paffes into grafs and light P l ftado and olive green, and laflly into greenilh S re y- '1 he apple green fometimes inclines to ver- ^ e gris green. It is fometimes alfo marked with Wvnifh fpots. h is found maffive, in angular pieces, and thick Plates. internally it is dull j fome rare varieties are glim mering. Its *
