电气石

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中首次发现了层状电气。

The mineral assemplege of the deposit is composed of diaspore, kaolin, illite, chlorite, hematite, anatace and rutile with tourmaline, zircon, goyazite in less.

矿的矿物组成为一水硬铝、高岭、伊利、绿泥,赤铁矿、锐钛矿和金红。此外,还有电气、锆英、磷铝锶矿等微量矿物。

Touramaline has many varieties in the nature,and a majority of powder of them is black or cinerous,so their application in the fields where need colour requirements is affected.

自然界产出的电气品种很多，大部分粉末是黑色或灰色的，在一些需色的领域应用受到较大的影响。