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leucite |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.06 sec. |
leuciteOne of the most common feldspathoid minerals, potassium aluminosilicate (KAlSi2O6). It occurs only in igneous rocks, particularly potassium-rich, silica-poor, recent lavas. Some important localities include Rome, Italy; Uganda; and Wyoming's Leucite Hills. Leucite is used as a fertilizer in Italy (because of its high potassium content) and as a source of commercial alum. leucite [′lü‚sīt] (mineralogy) KAlSi2O6A white or gray rock-forming mineral belonging to the feldspathoid group; at ordinary temperatures the mineral exists as aggregates of trapezohedral crystals with glassy fracture; hardness is 5.5-6.0 on Mohs scale, and specific gravity is 2.45-2.50. Also known as amphigene; grenatite; vesuvian; Vesuvian garnet; white garnet. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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