"sanidine." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/sanidine>.
sanidine. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/sanidine
(countable and uncountable, plural sanidines)
(mineralogy) A variety of orthoclasefeldspar found as tabular crystals embedded in volcanicrocks. It sometimes reflects a blue sheen along crystal planes. This phenomenon is called adularescence, and sanidine with this property is called moonstone.
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