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	arbitrariness arbitrary arbitrate arbitration arbitrator arbitress arblast arbor Arbor Day arboreal arboreality arborescence arborescent arboretum arboricultural arboriculture arboriculturist Arborio arborist arborization arborvirus arbor vitae arbour arboured arbovirus

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