... 200 agen Product InfromationHua'an Jade also called Dargon Painting of Huaan , major components are quartz ,feldspar, diopside , tremolite , ... t need twice maintenance.(Polish degree: 100 degrees )One of the 10 candidate stones for “Chinese Famous National Stone” ... ,Jade ingredients , non-renewable ,one of the most famous rare stones with high value , happiness & ...