AMIANTHUS, OR FLEXIBLE ASBESTUS. 529 Gcog-nostic Situation. It occurs frequently, along with common asbestos, in cotemporaneous veins in serpentine; in similar veins in primitive and lloetz greenstone; in gneiss, and in mica- slate; and it occasionally forms one of the constituent parts of metalliferous beds. Geographic Situation Europe.—It occurs in serpentine in the islands of Unst and Fetlar in Zetland; and in the same rock at l’ortsoy; in veins in mica-slate, in Glenelg in Inverness-shire ; in different parts of Aberdeenshire, and Argyleshire: in lloetz greenstone in the middle division of Scotland, as in Fifeshire, particularly in Inchcolm, and other quarters. In England, it occurs in veins in serpentine, at St Ke- vern’s in Cornwall*. On the Continent, it occurs in the Hartz, in veins in primitive greenstone ; in liohemia, in metalliferous beds, along with magnetic-ironstone ; in Upper Saxony, in veins in serpentine ; and in a similar situation in Silesia and Switzerland. In Dauphiny, and in St Gothard, it is found in cotemporaneous veins in gneiss and mica-slate, along with felspar, earthy and common chlorite, and rock-crystal. Uncommonly beau tiful varieties are met with in the Tarentaise mountains in Savoy, and in the island of Corsica. Asia.—It abounds in the serpentine rocks in the Uralian nnd Altain mountains. Uses. This mineral, on account of its flexibility, and its re sisting the action of considerable degrees of heat, was Vol. I. L 1 woven * Grccnongh,