Min. [Named 1796, f. Tremola, in Switzerland, where found + -ITE1.] A white or grey (sometimes transparent) variety of AMPHIBOLE, composed of magnesia and lime, with little or no iron, occurring in fibrous masses or thin-bladed crystals. Also called grammatite.
1799. Kirwan, Geol. Ess., 219. Not far from St. Gothard, it is found mixed with tremolite, and stratified.
1807. T. Thomson, Chem. (ed. 3), II. 476. Tremolite … is a compound of silica and lime, or perhaps rather carbonate of lime.
1834–5. J. Phillips, Geol., in Encycl. Metrop., VI. 563/1. That [sc. marble] of Glen Tilt, characterized by its accompanying tremolites, lies in a quartzose mica slate.
1849. Dana, Geol., xvii. (1850), 631. Acicular crystals of white hornblende or tremolite.
Hence Tremolitic a., of the nature of, or containing tremolite, as tremolitic marble.
1879. Dana, Man. Geol. (ed. 3), 70. Granular Limestone … Varieties.—a. Statuary Marble;… Tremolitic; contains bladed crystallizations of … tremolite.
