the lower reaches of Chăngjiāng River
Wuhu-shi (No.1), Anhui-sheng, China
This medium/coarse sand is sold as a material for stucco. The grains are 0.2-1.0mm in diameter, and some of them are 3.5mm or less in diameter. Most of the grains are quartz or feldspar, and some of them are siliceous rocks.