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Baxiyayike diopside occurrence, Baicheng Co. (Bay Co.), Akesu Prefecture (Aksu Prefecture; Aqsu Prefecture), Xinjiang Autonomous Region, China

Diopside
Baxiyayike diopside occurrence, Baicheng Co., Akesu Prefecture, Xinjiang Autonomous Region, China

Photo: 2003 John H. Betts

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巴西亚依克透辉石矿点, 拜城县 (باي ناھىيىس), 阿克苏地区 (ئاقسۇ ۋىلايىتى), 新疆维吾尔自治区, 中国

Gem diopside deposit, consisting of alkaline pegmatite veins that are hosted in marble. Individual veins are up to 300 m long and contain green diopside crystals of gem quality owing their colour to a small chromium content. The crystals are fully transparent, show prismatic or tabular-prismatic habits and measure 1-3.5 cm x 0.3-1.2 cm on average, but can be up to 7 cm long and up to 3 cm in diameter. Marbles in the northern part of the deposit also host diopside ore bodies that are 10-50 m long and 1.5-2 m wide, which produce fractured or cloudy crystals of an inferior quality. Marbles in the southern part of the deposit contain phlogopite and sodalite.

Located on the southern slopes of the South Tianshan range.

Mineral List

Diopside

Phlogopite

Sodalite

3 entries listed. 3 valid minerals.

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References

Yanling Tang (2005): Non-metallic mineral deposits of Xinjiang, China [Zhongguo Xinjiang Fei Jinshu Kuangchuang]. Geological Publishing House (Beijing), 289 pp. (in Chinese)

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