Tang Dynasty Gemstones: Silk Road Luxury Trade

The Cosmopolitan Empire of Gems

The Tang dynasty (618–907 CE) represents the most cosmopolitan and most internationally connected period in the history of Chinese gem culture, a golden age in which the Silk Road trade networks brought an extraordinary influx of foreign gemstones, foreign gem-working techniques, and foreign aesthetic influences into China, transforming the Chinese gem tradition in ways that would leave lasting marks on the subsequent history of Chinese jewelry and decorative arts. The Tang dynasty was the most powerful and most culturally open empire in the world during its peak, and its capital Chang'an — modern Xi'an — was the largest and most cosmopolitan city on earth, a metropolis of more than a million inhabitants that attracted merchants, diplomats, artists, and scholars from across the known world. In this extraordinary cosmopolitan environment, the Chinese gem tradition encountered the gem traditions of Persia, Central Asia, India, and the Byzantine Empire, absorbing new materials, new techniques, and new aesthetic ideas that enriched and transformed the Chinese engagement with precious stones.

The Tang dynasty's gem culture reflects the period's extraordinary openness to foreign influence and its confident ability to absorb and transform foreign elements into distinctively Chinese cultural expressions. The Tang dynasty Chinese did not merely import foreign gemstones and foreign gem-working techniques but integrated them into the existing framework of Chinese gem culture, creating new hybrid forms and new aesthetic approaches that combined the best of the Chinese and foreign traditions. The result was a gem culture of extraordinary richness and diversity that remains one of the most fascinating and most beautiful chapters in the long history of Chinese engagement with precious stones.

The Silk Road Gem Trade: Rubies, Sapphires, and Pearls

The most important development in Tang dynasty gem culture was the dramatic expansion of the Silk Road gem trade, which brought a wide range of previously rare or unknown gemstones into China in quantities sufficient to transform the Chinese gem market. The most important of these imported gemstones were rubies and sapphires from the mines of Sri Lanka, Burma, and Kashmir; pearls from the Persian Gulf and the Indian Ocean; lapis lazuli from the mines of Badakhshan in Afghanistan; and a range of other colored gemstones from the mines of Central Asia, India, and the Middle East. These imported gemstones, with their vivid colors and their exotic origins, captured the imagination of the Tang dynasty court and aristocracy, and they quickly became established as luxury materials of the highest prestige.

The Tang dynasty's enthusiasm for imported gemstones reflected the period's broader cultural openness to foreign influence and its appreciation of the exotic and the unfamiliar as sources of aesthetic pleasure and cultural enrichment. The Tang dynasty court's collection of foreign gemstones was not merely a display of wealth but a statement of cultural sophistication, a demonstration of the Tang dynasty's ability to attract the finest products of the entire known world to its capital. The Shosoin treasury in Nara, Japan, which preserves a remarkable collection of Tang dynasty luxury objects brought to Japan by Japanese diplomatic missions to the Tang court, contains numerous examples of the imported gemstones that were prized by the Tang dynasty aristocracy, providing a vivid picture of the extraordinary range and quality of the gems that circulated in the Tang dynasty luxury market.

Tang Gold and Gem Jewelry: A New Aesthetic

The Tang dynasty saw the development of a new approach to gem-set jewelry that represented a significant departure from the earlier Chinese jade tradition and that reflected the influence of the Persian and Central Asian goldsmithing traditions that entered China along the Silk Road. Where the earlier Chinese gem tradition had focused primarily on carved jade objects and relatively simple gold and silver ornaments, the Tang dynasty developed a sophisticated tradition of gem-set gold jewelry in which rubies, sapphires, pearls, and other colored gemstones were set in elaborate gold mounts decorated with granulation, filigree, and repoussé work of extraordinary delicacy and skill.

The finest Tang dynasty gem-set jewelry, examples of which have been found in Tang dynasty tombs and hoards throughout China, represents a synthesis of Chinese and foreign aesthetic traditions that is one of the most distinctive and most beautiful achievements of the Tang dynasty decorative arts. The Tang dynasty goldsmiths combined the Chinese tradition's appreciation of jade's subtle beauty with the Persian and Central Asian tradition's love of vivid color and elaborate surface decoration, creating jewelry of extraordinary visual impact that reflected the cosmopolitan aesthetic of the Tang dynasty court. The development of gem-set gold jewelry in the Tang dynasty established important precedents for the subsequent history of Chinese jewelry, and the Tang dynasty's synthesis of Chinese and foreign gem traditions continued to influence Chinese jewelry design for centuries after the dynasty's fall.

Buddhist Gems: The Seven Treasures in Tang Art

The Tang dynasty was the golden age of Chinese Buddhism, and the Buddhist religious tradition's appreciation of precious gems as materials of divine significance played an important role in the Tang dynasty's gem culture. The seven Buddhist treasures — gold, silver, lapis lazuli, crystal, pearl, coral, and agate or amber — were used extensively in the decoration of Tang dynasty Buddhist temples, the production of Buddhist ritual objects, and the making of offerings to Buddhist deities. The Tang dynasty's Buddhist gem tradition drew on both the Chinese jade tradition and the imported gem traditions of India and Central Asia, creating a rich synthesis of Chinese and Buddhist aesthetic values that produced some of the most spectacular gem-decorated objects in the history of Chinese art.

The Tang dynasty Buddhist gem tradition is particularly well documented in the extraordinary collection of objects preserved in the Famen Temple near Xi'an, where a crypt beneath the main pagoda was discovered in 1987 to contain a remarkable assemblage of Tang dynasty imperial offerings to the Buddha, including gem-decorated reliquaries, ritual vessels, and personal ornaments of extraordinary quality. The Famen Temple collection includes examples of virtually every type of gem used in the Tang dynasty Buddhist tradition, from jade and crystal to lapis lazuli, pearl, and coral, and it provides an invaluable window into the Tang dynasty's understanding of precious gems as materials of divine significance and cosmic power.

Foreign Gem Workers in Tang China

One of the most distinctive features of the Tang dynasty gem culture was the presence of foreign gem workers in Chang'an and other major Tang dynasty cities, who brought with them the gem-working techniques of Persia, Central Asia, and India and who contributed to the development of the new hybrid gem aesthetic of the Tang dynasty. Persian and Sogdian goldsmiths, in particular, played an important role in the development of Tang dynasty gem-set jewelry, introducing the techniques of granulation, filigree, and cloisonné enamel that would become important elements of the Chinese jewelry tradition in the Tang and subsequent dynasties.

The presence of foreign gem workers in Tang China reflects the broader Tang dynasty policy of cultural openness and the active recruitment of foreign talent to serve the needs of the Tang imperial court. The Tang dynasty government maintained a system of official workshops staffed by both Chinese and foreign craftsmen, and the products of these workshops — gem-set jewelry, decorated metalwork, and a range of other luxury objects — reflect the extraordinary synthesis of Chinese and foreign craft traditions that characterizes the best of Tang dynasty decorative arts. The foreign gem workers who came to Tang China brought not only their technical skills but also their aesthetic traditions and their cosmological frameworks, enriching the Chinese gem tradition with new ideas and new approaches that would continue to influence Chinese gem culture long after the Tang dynasty's fall.

Jade in the Tang Dynasty: Continuity and Change

Despite the Tang dynasty's enthusiasm for imported colored gemstones and gem-set gold jewelry, jade remained the most culturally significant gem material in the Tang dynasty tradition, continuing to occupy its ancient position as the supreme expression of Chinese aesthetic values and cosmic understanding. Tang dynasty jade carving continued the technical traditions of the Han and earlier periods, producing jade objects of great beauty and refinement that reflected the Tang dynasty's sophisticated aesthetic sensibility and its deep engagement with the Chinese jade tradition's philosophical and cosmological dimensions.

The Tang dynasty saw the development of new jade forms and new decorative approaches that reflected the period's cosmopolitan aesthetic, including jade objects decorated with foreign motifs such as the grapevine, the lion, and the hunting scene that entered the Chinese decorative arts vocabulary through the Silk Road trade. These hybrid jade objects, combining the Chinese jade tradition's technical mastery and cosmological depth with the visual vocabulary of the foreign decorative traditions that entered China along the Silk Road, are among the most distinctive and most fascinating products of the Tang dynasty jade tradition, reflecting the period's extraordinary ability to absorb and transform foreign influences into distinctively Chinese cultural expressions.

Tang Gem Healing: East Meets West

The Tang dynasty's cosmopolitan gem culture also enriched the Chinese tradition of gem healing, as the imported gemstones of the Silk Road trade brought with them the healing traditions of Persia, India, and Central Asia. The Tang dynasty medical tradition, documented in the great pharmacological encyclopaedia Bencao Gangmu and other medical texts, incorporated the healing properties of a wide range of imported gemstones alongside the traditional Chinese gem medicines, creating a comprehensive gem healing tradition that drew on the medical knowledge of multiple cultures. Rubies were understood as stones of vitality and yang energy, sapphires as stones of wisdom and spiritual clarity, and pearls as stones of emotional balance and lunar energy, reflecting the synthesis of Chinese and foreign healing traditions that characterizes the Tang dynasty's cosmopolitan approach to gem medicine. This enriched gem healing tradition, combining the ancient Chinese jade healing tradition with the gem medicine of the Silk Road cultures, established important precedents for the subsequent development of Chinese gem healing and continues to resonate in the modern world's appreciation of colored gemstones as materials of beauty, healing, and spiritual power.