chinese jade gemstone luxury good yellow orange and brown tones

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