Ilvaite is a rare mineral of calcium - iron - bearing silicate.黑柱石是一种少见的含钙铁硅酸盐矿物....

黑柱石...

ilvaite的音标：ilvaite的英式发音音标为：[ɪl'veɪt]ilvaite的美式发音音标为：[ɪl'veɪt]...