* , Asbest. . 443 Generally maffive, alfo in plates and fmall veins l hat traverfe ferpentine, and in capillary cryftals. Internally its luftre is gliftening paffing to fhining ; fometimes fplendent and pearly, approaching to nlky. fracture very delicately parallelly fibrous, and ‘°metimes a little curved. Fragments thin fplintery. Sometimes faintly tranflucent, fometimes only tran slucent on the edges. Very foft. .. _ , Mild. Intermediate between common and elaftically flexi ble. Splits eafily. Difficultly frangible. ^'ght, approaching to not particularly heavy. Chemical Characters. It is difficultly fufible before the blow pipe. Constituent