The colors of Hetian stone jade are white, シアン, グレー, 緑, 黄色, 茶色, ink, 等. The color requirements are soft, 純粋で均一な. The ancients’ requirements for jade color are “white as fat cut”, “yellow as steamed chestnut”, “green as moss”, “green as feathers”, そして “black as pure paint”. その中で, the white Hetian jade, or mutton fat jade, is the most precious and valuable. It is an extremely rare and precious variety of Hetian jade.
テクスチャ
Because the mineral particles that make up Hetian jade are relatively fine, most of them are in O. Between 01 mm and 0.10 mm, it is cryptocrystalline, and no particles can be seen with the naked eye. Its crystal shape can only be seen under a microscope. It is generally fibrous and felt-like intertwined, so its structure is very delicate and polished. . The texture of Hetian jade is dense, 繊細, tough, スムーズ, oily and flawless, and rarely cracks.
光沢
Hetian jade has waxy luster, grease luster and glass luster, among which grease luster is the best, which can make the jade appear warm and moist. The second is glass luster, and waxy luster is slightly less.
Cleaness
The clarity of Hetian jade depends on the amount of impurities and defects. The fewer flaws and impurities of Hetian jade, より良い. The flaws mainly include stone flowers, jade tendons, stone nails, black spots and cracks.
透明性
Hetian jade is generally not very transparent, most of which are translucent to opaque, and can be divided into three levels: 半透明の, slightly transparent and opaque. The transparency of Hetian jade is preferably slightly transparent. Opaque or too good transparency will affect the quality and value of Hetian jade.
サイズ
For Hetian jade of the same quality, obviously, サイズが大きいほど, 値が大きいほど. The larger the size, より良い, and it requires perfection and no cracks.
カーバー
For the jade processed by Hetian jade, its value is not only affected by its color, テクスチャ, 光沢, 明確さ, 透明性, ブロックノイズ, 等, but its design level and carving process are also important aspects of its value.