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Pantellerite is a type of volcanic rock, specifically a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite. Dictionary of Mining, Mineral, and Related Terms: Pantellerite It is named after Pantelleria, a volcanic island in the Strait of Sicily and the type location for this rock. On Pantelleria the rock is usually found as a vitrophyre containing of anorthoclase or sanidine. Quartz is found only in the most strongly peralkaline rocks. Mafic may include aegirine, fayalite, aenigmatite, ilmenite, and Sodium amphibole (often arfvedsonite or ferrorichterite). White, J.C., Ren, M., and Parker, D.F., 2005, "Variation in mineralogy, temperature, and oxygen fugacity in a suite of strongly peralkaline lavas and tuffs, Pantelleria, Italy." The Canadian Mineralogist, vol. 43, 1331-1347.
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