Sanidine Definition
sănĭ-dēn, -dĭn
noun
A yellow to white, glassy monoclinic mineral of the potassium feldspar group that forms from relatively high-temperature magmas.
American Heritage
(mineralogy) A variety of orthoclase feldspar found as tabular crystals embedded in volcanic rocks. It sometimes reflects a blue sheen along crystal planes. This phenomenon is called adularescence, and sanidine with this property is called moonstone.
Wiktionary
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Other Word Forms of Sanidine
Noun
Singular:
sanidine
Plural:
sanidinesOrigin of Sanidine
Greek sanis sanid- board (from its flat crystals) –ine
From American Heritage Dictionary of the English Language, 5th Edition
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