单词	cassiterite
释义	cassiterite /kəˈsɪtərʌɪt / noun [mass noun] A reddish, brownish, or yellowish mineral consisting of tin dioxide. It is the main ore of tin.Arsenopyrite, cassiterite, molybdenite, wolframite, uraninite, and several of the common sulfides have all been observed at various locations.... A greisen is a quartz - mica aggregate containing significant amounts of cassiterite, wolframite, fluorite, topaz, rutile, and tourmaline. The dike is characterized by a greater abundance of muscovite than biotite; it also contains columbite-tantalite, cassiterite, beryl, spodumene, lepidolite, montebrasite, pollucite, and tourmaline. Origin Mid 19th century: from Greek kassiteros 'tin' + -ite1.
随便看	venial veniality venially venial sin Venice Vening Meinesz, Felix Andries venipuncture venison Venite Venn diagram vennel venogram venographic venographically venography venom venomed venomous venomously venomousness venosity venous venous insufficiency venously vent

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