siderite

Under supergene process influencing, kaolinites invered dickites, siderite were been ferritization, part of carbonate mineral have been dissoluted producing calcite.

在表作用的影下，高岭石向地开石转，菱铁矿褐铁矿，部分碳酸盐矿成方石。

There is siderite, iron dolomite , calcite, Barite, pyrite, anatase, rutile, piece quartz, the mica ( or hydromica ), diaspore,etc. in the impurity in the mineral .

杂质矿见有菱铁矿，铁白云石，方石，重晶石、黄铁矿，锐钛矿，金红石，碎屑石英，云母（或水云母），水铝石等。