Shade of stone yellow or slghtly green. Nanng jade known large deposts n the county of Nanng provnce Henan. Jade deposts are found at an alttude of 200m on a hll Dushan. So he got hs second ttle of the hll Dushan Jade. Among the Nanng jade you can fnd rare artwork purple, blue and red.
Jade n need of constant care. It s desrable to keep them n a box to avod them on hard surfaces. Sometmes the crack may not be vsble to the naked eye, wth the nner surface of the stone may be damaged. If Jade s polluton, they should be cleaned wth a soft brush or washed clean wth a soft foam. It s desrable that n nephrts do not fall components of the perfume, perspraton or chemcals. Never store the jade n the brght sunlght, t can lead to a change n the qualty of the stone, although lttle mosture t can not hurt. Classfy nephrts by categores: A, B and C.
A-Jade – natural jadete wthout any artfcal treatment (treatment). Ths knd of natural jadete can be stored for a long tme and dd not vary by tme. B-Jade – natural jadete, subjected to artfcal treatment (treatment) Removal of contamnants (drt) mpregnated collodal slca or resn. Usually ths knd of jadete changes when the surface layer detaches from the agng of the resn or collodal slca. Composton characterstc of jadete structure destroyed n the process acd treatment (treatment), whch affects the storage perod (longevty) of the product C-Jade – natural jadete undergone artfcal treatment (treatment) collodal slca wth the addton of new pgment. Ths knd of natural jadete becomes artfcal colorng, shades of color appear artfcally ncluded n the product. That changes not only the nternal structure, but the nternal color of the product. Crtera for determnng artstc aspects of the work s prmarly brght colors, shny structure jade delcacy n the handlng of the stone. Tny cracks can lower the value of jade. On the natural ar nephrts bubbles can not be seen. Nephrte creates ol sheen, unlke jadete, whch makes glass shne. The works of jade can not go to any comparson wth damonds and gold. Part of the soul, the master n embedded products make them unque among the faceless handcraft producton.