426 TALC GENUS. ) SECOND SUBSPECIES. Precious Serpentine. Edler Serpentin.—Werner. EJlr.er.]). 2.1.859—Id. Emm. t. 3. f. 276.-—La ferpen- tine noble, Brack, t. 1. p. 484. This fubfpecies is by Werner divided into two kinds : a. Conchoidal precious ferpentine j b. Split*' tery precious ferpentine. a. Conchoidal precious ferpentine. External Characters. Its colour is dark' leek green, palling into black- ilh green; and it fometimes, although feldom, ap- proaches to pillacio green. Occurs maffive, and diflerainated. Internally its luftre is gliftening, fometimes palling into glimmering, and is refmous. Fracture conchoidal. Fragements