英语语法分析

The main material is calcite (98%), with quartz, muscovite and opaques as additional components.

主要矿石为方解石（含量为98％），辅料成份有石英石、白云母和非透明矿石。

Fine-grained limestone with a homogenous structure and veins of varying thickness. Made up primarily of calcite (99%), with quartz, dolomite and opaques as additional components.

颗粒细小的石灰石，质地均匀，带有粗细各异的射线。主要矿石为方解石(99%)，另外含有石英石、白云石和非透明矿石等其它矿石。