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Deposit No. 1677, Subashi (Subashen), Aketao Co. (Akto Co.; Aqto Co.), Kezilesu Autonomous Prefecture (Kizilsu Autonomous Prefecture; Qizilsu Autonomous Prefecture), Xinjiang Autonomous Region, China

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Proterozoic metamorphic rocks, mainly biotite-plagioclase gneiss and dolomitic marble, that are intruded by a granite gneiss stock, granite pegmatites, diopside-albitite dykes and aplite veins. Gneiss and marble along the contact with the dykes contain gem-quality scapolite (marialite) and titanite crystals.

The scapolite crystals are transparent to translucent, show lilac-pink or various shades of purple colours and measure 1.5-3 cm x 0.3-1 cm on average, but can be up to 12 cm long and up to 5 cm across. They are composed of marialite and contain small amounts of chromium, which is responsible for their colour. The titanite crystals are transparent to translucent honey-yellow, show tabular to tabular-prismatic habits and measure 4 x 1 cm on average, but can be up to 15 cm long and up to 9 cm across.

Mineral List


4 valid minerals.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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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