TT ( 365 ) FOURTH SUBSPECIES. Bafaltic hornblende. Bafaltifche hornblende.—Werner. Bafaltifche hornblende, IViJ. p. 417. Bafaltine, Kirw. vol. i. p. 2T9.-b-Bafaltifche hornblende, EJhier, b. 2. I. 719. — Id Emm. b. 1. f. 330. and b. .3 f. 269—Or- niblenda bafaltica, Nap. p. 28 r.—Airphibole, Lam. t 2. P- 330.—-Amphibole pryltallifee, Haity, t, 3. p. 58.— ba hornblende bafaltique, Brock, t. 1. p. 424. External Characters. Its colour is velvet black. Ocdurs almoit always in Tingle imbedded cryftals, ^bd thefe are . 1. Equilateral fix-fided prifms flatly acuminated on both extremities by three planes, which are fet contrary-wife on the alternate la teral edges. 2. A iimilar prifm, flatly acuminated on one extremity by four plane.s, which are fet on the four oppofite lateral planes, 011 the ' 3 B other