矿石矿物为重晶石，脉石矿物主要有方解石、粘土矿物和石英等。

The useful ore mineral is barite and the gangue minerals are mainly calcite, clay mineral and quartz et al.

用高温量热计测量了氧化铝在冰晶石熔体中的溶解热焓和偏摩尔溶解热焓。

In the present investigations both integral and partial onthapis of solution of alumina in molten cryolite were determined as a funetion of composition with a high teupercature calorimeter.