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sanidine
san·i·dine
[
sánni dn,
sánnidin
]
noun
Definition:
glassy potassium feldspar:
a glassy high-temperature form of the mineral orthoclase. Source: lavas.
[
Early 19th century. < Greek
sanid-
"board"; from the shape of the mineral's crystals
]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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