potash feldspar

potash feldspar

noun
any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.

Origin:
1860–65

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Science Dictionary
potash feldspar  
See orthoclase.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Potash feldspar is always a great word to know.
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a chattering or flighty, light-headed person.
a scrap or morsel of food left at a meal.
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