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^"这些撒拉逊人不仅仅是几何、化学和地质学的起源者,还是路灯、窗玻璃、焰火、弦乐器、栽培水果、香水、香料等等的发明者。" (Fielding H. Garrison, An introduction to the history of medicine, W.B. Saunders, 1921, p. 116)
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^Needham, Joseph. Science and Civilization in China: Volume 3, Mathematics and the Sciences of the Heavens and the Earth. Taipei: Caves Books, Ltd. 1986: 603–604.
^Pellant, Chris. Smithsonian Handbooks: Rocks & Minerals. New York: DK. 2002. ISBN 978-0-789-49106-0.
^Neubert, Jörg. MUNDUS MINERALIS 2016: Die Welt der Mineralien. Chemnitz: Phillis Verlag. 2015. ISBN 978-3-957-56016-2.