单词	fluorite
释义	fluorite /ˈflʊərʌɪt / /ˈflɔːrʌɪt/ noun [mass noun] A mineral consisting of calcium fluoride which typically occurs as cubic crystals, colourless when pure but often coloured by impurities.A greisen is a quartz - mica aggregate containing significant amounts of cassiterite, wolframite, fluorite, topaz, rutile, and tourmaline.... Stalactite-like structures were common in the Black Sheep pocket, forming knobs and fingers of matrix covered with druzy quartz, fluorite, and galena crystals. Coexisting MI phases in these rocks include garnet, plagioclase, quartz, tourmaline and fluorite. Origin Mid 19th century: from fluor (see fluorspar) + -ite1.
随便看	proenzyme proepimeron proepisternum proerythroblast proestrous proestrum pro-estrus pro et con pro et contra pro-ethnic proette pro-European prof Prof. pro-family profanable take a dive take advantage of take advantage of (or take advice etc.) take a fancy to take a flyer take after take against take a hammering take a hand

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