chinese jade gemstone luxury good in yellow orange and brown tones

chinese jade chinesische brown yellow orange beige ca2b5sio9oh5 ca2 b5 sio9 oh5 black background dark fabric isolated unpolished alluvial deposit jewel carbonaceous matter kunlun mountain semiprecious gemstone market tremolite ziliao river jewelry ornamental baiyu green hetian china tan calcium gray karakax tough nephrite commerce magnesium silk road rock stone mineral cobble