( 357 ) first subspecies. ’ . -/ ■ Common Hornblende. Gemeiner Hornblende.—Werner. Hornblende, Kirw. vol. i. p. 213.—Gemeiner hornblende, Qftner, b. 2. f. 699.—Id. Emm. b. 1. p. 3 22 . - ant ^ b. 3* L 267.—Orniblenda commune, Nap. p- 276.—La horn* blende commune, Mrocb. t. 1. p. 4 I 5- External Characters. H is commonly greenilh black, or raven black, ^hich in fome varieties approaches to greyilh and vel* Vet black ; in others to dark greenilh grey. Some- tlf nes the blackilh green verges on leek green. Occurs maffive, difleminated, and lometimes in 0n g and broad prifmatic c’ryltals, which are im- e ^ded, interfefb one another, and aie fometimes ^opiformly aggregated: on this account it is difficult to determine their figure. Werner fuppofes that they are °hlique four-fided prifms. internally its luftre is generally ffiining, fometimes Palling to fplendent, and nearly pearly. ^ A Frafture