( 209 ) FIRST SUBSPECIES, Mealy Zeolite. Mehlzeolith.—Werner. U. IVid. p. 361 Zeolite, Kirw. t. 1. p. 778—Mehl zeolith, EJlner, b. z. f. 481. Id. Emm. b. 1. f. 199— Zeolite compatta terrea, Nap. p. 735—Zeolithe ter- reufe, or me fotype, Hatty.—L* zeolite farineufe, Brocb. *• 1. p. 298. ,, External Characters. Its colours tire yellowifh and reddilh white; the tatter fometimes paflfes to pale llefli red, and even ap- P r oaches to brick red. It occurs maflive, coralloidal, and fometimes it I°fnis a cruft over the other fubfpecies of zeolite. Intemally.it is dull. fcra&ure coarl'e earthy ; but when it verges on the fibrous, approaches to delicately fibrous. I'ragments indeterminately angular blunt edged. Opaque. 1 Very foft, parting into friable, Eafily frangible, E e Li S ht I