Dushan jade: awakening jade spirituality

China's four famous jade, Nanyangsheng Dushan. As a collector of Dushan jade, Baiqin examines jade in the perspective of her female aestheticism. She considers this to be the “spirit of heaven and earth,” which is one of the important inheritors in

Dolomite basics

Dolomite is a carbonate mineral with iron dolomite and manganese dolomite. Its crystal structure is like calcite, often rhombohedral. When it is cold diluted hyd