potash feldspar


noun

any of the feldspar minerals having the composition KAlSi3O8, as orthoclase.

Origin of potash feldspar

First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

potash feldspar in Science

potash feldspar

Potassium feldspar.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.