The Devonian coal in Luquan,Yunnan Province,is a typical liptobiolite in China.
禄劝煤是我国典型的残植煤,是泥盆系煤岩的代表。
merocrystalline:半晶质
merochrome 异色异构混晶 | merocrystalline 半晶质 | meroleims 煤化残植屑