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Encyclopedia/Kunlun Jade (Nephrite)

NephriteH: 6.0-6.5

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Kunlun Jade (Nephrite)

Kunlun Jade, also known as Qinghai Jade, is a high-quality nephrite found in the Kunlun Mountains. It gained international fame as the material for the medals of the 2008 Beijing Olympics. This jade is treasured for its fine texture, moist luster, and rich historical and cultural significance, symbolizing purity and nobility in Chinese culture.

Mohs Hardness

6.0-6.5

Origin

Golmud in Qinghai, Nachitai, Xiaoz灶火

Market Price Range

Low-grade: $5 - $30 per piece; Mid-grade: $50 - $300 per piece or per gram for raw material; High-grade (collection level): $500 - $10,000+ per piece, with exceptional items fetching higher prices.

Detailed Description

Kunlun Jade is a nephrite jade originating from the eastern Kunlun Mountain range in Qinghai province, China. Geologically, it shares the same mineral belt as the famous Hetian Jade, primarily composed of fine, interlocking fibers of tremolite and actinolite. Its main varieties include White Jade, Celadon Jade, and the unique 'Smoky Purple' and 'Cuiqing' (greenish-white) jades. Historically, the term 'Kunlun Jade' appeared in ancient texts, but the modern discovery and large-scale mining began in the 1990s. For collectors, the value of Kunlun Jade is determined by its color, purity, texture, and translucency. High-quality white jade, especially the 'mutton fat' variety, is highly sought after. The presence of characteristic 'water lines' (fine, translucent lines) is a typical feature but can affect value depending on their prominence. Since its Olympic debut, the market has seen fluctuations, but top-tier Kunlun Jade remains a valuable asset for both adornment and investment.

Identification Methods

Observe the texture: High-quality Kunlun Jade has a fine, smooth, and oily feel.

Check for 'water lines': Many Kunlun jades have characteristic fine, translucent lines, which are less common in Hetian jade.

Test the hardness: With a Mohs hardness of 6.0-6.5, it can scratch glass but cannot be scratched by a steel knife.

Examine the luster: It exhibits a gentle, waxy to slightly greasy luster, not a glassy or harsh one.

Assess the translucency: It is typically semi-translucent; overly transparent pieces may be Qinghai glass or other imitations.

Market Information

The market for Kunlun Jade surged after it was featured in the 2008 Beijing Olympics. While the initial speculative bubble has subsided, the market has since stabilized. High-quality pieces, especially fine white and unique 'Cuiqing' varieties, retain strong value and are sought after by collectors. The mid-to-low range market is more price-sensitive, but overall, Kunlun Jade has secured its position as a significant category in the Chinese jade market.