2i6 FLINT GENUS. fourth subspecies. Foliated Zeolite. Blasttriger Zeolith.—Werner. Gemeiner Zeolith, Wid. p 363—Zeolith. Kirvi. vol. 1 ’ p. 278 Blattriger Zeolith. Emm. b. 1. f. 204.—Zeoh te commune, Nap. p. 228.—Zeolithe nacree, Lam. *' p. 305 Zeolithe lamelleufe, Brocb. t. 1. p. 302 --S t1 ' bite, Hauy*. External CharaElers. Its colour is almofl: always yellowilh and gicy^ white, feldom fnow and reddifli white. ^ It occurs maflive, globular, in amygdaloidal-fl ia P e pieces, and alfo cryftallized. j. In Ihort and very oblique, four*fided p n ^ in which fometiines the lateral edges aI1 angles are more or lefs deeply truncate 2. When the truncations on the acuter l ate edges increafe a fix-fided priiin is and when thefe prifms become very 0 t i, e ra- * The variety entitled Stilbite dodecaedrc belongs o diated zeolite. t hey