Hua'an Jade also
called Dargon Painting of Huaan , major components
are quartz ,feldspar, diopside , tremolite , actinolite and
etc ,  which is recrystallized after silicification .


 It's origin is sea facies
sedimentary rocks (about 248 millions years ago ) , 163 millions years ago it
changed to calcareous siliceous metamorphic rock due to volcanic
eruption .


 It's a kind of stone that doesn’t need pre or after
protection , and a rare stone inChina  , we are the
legal and sole supplier for this black and white Hua'an Jade in the world .




Famous Jade occasional round stone table