Wollastonite enhances the transparency of Qinghai nephrite jade and reduces its luster.The wollastonite may be one of the main reasons that influence the quality of Qinghai nephrite jade.
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- 硅灰石的存在增加了青海软玉的透明度,降低了油润度.对青海软玉的质量产生较大的影响。