Chinese serpentine (s) have been appearing on the jewelry markets of Russia and the Far East for some time + they are convincing simulants (imitations) for nephrite or jadeite.
Chinese serpentines are found in the provinces of Sichuan, Quinghai, Shenxi, Shaanxi, Shandong, Liaoning + China has the world’s largest chrysotile-asbestos deposit in Shimian, Ya’an prefecture, in Sichuan province + popular serpentine varieties include retinolite + williamsite + bowenite + green marble + they are used for interior decoration + sculpture + cabochons + beads + gemstones.
Standard gemological tests should easily identify the specimens, but if in doubt always consult a reputed gem testing laboratory.
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