siderite

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

杂质矿物见有菱矿，白云石，方解石，重晶石、黄矿，锐钛矿，金红石，碎屑石英，云母（或水云母），水铝石等。

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

在表的影响下，高岭石向地开石转化，菱矿褐矿化，部分盐矿物溶解成方解石。