Volltext Seite (XML)
GLASSY TREMOLITE. 99. It is intermediate between soft and semi-hard. It is very easily frangible. It is rather brittle. ' Specific gravity, 2.863, Karsten. Physical Character. It is phosphorescent in a low degree, but not by rotr- bing. Chemical Character. It is said to be infusible before the blowpipe. Constituent Parts. Silica, 65.00 Magnesia, 10.33 Rime, 18.00 Iron, 0.10 Carbon, acid and Water, 0.05 Klaproth. Tremolitc from St Gothard. Silica, Lime, Magnesia, Water, and Carbon, acid, 23.0 35.5 26.5 16.5 101.5 Silica, Lime, Magnesia, Water, and Carbon, acid, 23.0 100.0 28.41 Silica, 30.6 Lime, 18.01 Magnesia, ! Water, and Carbon, acid. Loss, Lavgier, Annalcs du Museum, 34 cahier, t. vi. p. 41.00 15.00 15.25 23.00 5.75 100.0 232. Geognostic Situation. It is the same as that of the preceding subspecies, oc curring principally along with granular limestone. Geographic Situation. Europe.—It occurs at Arendal in Norway; > n Bava ria, Salzburg, the Tyrol, Switzerland, and Hungaiy. Asia—In the island of Ceylon ; in the Uralian moun tains. Observationft
