EPIDOTE, OR PISTACITE. 95 M . Constituent Par.ts. Pistacite from From Oi- From A- the Valais. sans. rerdal. Silica, 37.0 37.0 37.0 Alumina, 26.6 27.0 14.0 21.0 Lime, 2o.O 15.0 Oxide of iron , 13.0 170 24.0 Oxide of man - ganese, 0.6 1.5 1.5 W a ter, l.S 3.5 1.5 Loss, 1.0 0 0 100.0 100.0 100.0 Dcscotils. Vauquelin. Laugicr, Ann. du Mus. d’Hist. Nat. T. v. p. 149. ucognostic ouuation. t occurs in beds and veins, and sometimes as an acc e «tal constituent part of rocks. The beds in which j*curs are primitive, and contain augite, garnet, hon en ’ quartz, calcareous-spar, and magnetic ironstom t| S at Arendul in Norway; or, besides the epidot. contain calcareous-spar, copper-pyrites, and varh h ed copper-ore, as in the Bannat and other place: ie veins of which it forms a part are small, and of ver ‘ onnation, usually traverse gneiss, and contain be ash?.t 1 ’ lst i adte ’ fels l ,ar > rock-crystal, axinite, chlorite . 1 aS ’ ^ re ortahedrite, and several other mine ie varieties that occur in veins, are distinguishe*