In the synthesis process of man-made diamond at high pressure and high temperature(HPHT),dolomite is used as pressure-transmitting material to prevent pyrophyllite from phase transition.

• 在合成金刚石过程中,白云石套管的使用在一定程度上阻止了叶蜡石相变层的发生,而且白云石在高温高压下具有比较好的保温性。