wholesale silver jewellery uk Varieties and Classification of Duyu

Dushan jade, namely Dushan jade. It is a very common gem in the Chinese jewelry market, named after it was produced in Dushan County, Nanyang, Henan, Porslin. Since ancient times, it has been one of the gems that people love.

Duyu is a multi-color jade, which can be subdivided into more than 20 colors, but it is mainly composed of 7 colors such as red, vit, gul, green, blue, black and purple.

From the color and carving process characteristics can be divided into 7 varieties:

(1) Red Dushan jade (Hibiscus jade),

(2) Baidushan jade (including permeable white jade, dry white jade, and butter white jade).

(3) Huangdushan jade (orange jade).

(4) Green Dushan jade (including green jade, green white jade, sky blue jade, and jade).

(5) Qingdushan jade (green jade).

(6) Black Dushan Jade (Mo Jade).

(7) Purple Dushan Jade (Purple Jade).

Bland dem, permeable white jade, green jade, green white jade and hibiscus jade are of higher value.

How are Duyu graded?

Duyu can be divided into four grades according to its uniform color, good texture and different size:

Special grade: single green or greenish white, fine texture, no white ribs, no cracks, and the mass is above 20kg.

Class I: White, creamy white or green, bright color, no cracks, no impurities, and the mass is above 5kg.

Level two: dry white, green or variegated, bright color, no cracks, no impurities, and the bulk is above 3kg.

Level 3: The color is brighter, slightly cracked, slightly impurity, and the block is above 1kg.

Dushan jade is a mid-range jade material, and the price of each grade varies greatly, and the price of special grade products can be more than 10 times higher than that of third grade products.

 

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