Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun obsolete, mineralogy
potassium feldspar
Etymologies
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Examples
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It occurs as nitrate in nitre (KNO_ {3}), and as silicate in many minerals, such as orthoclase (or potash-felspar) and muscovite (or potash-mica).
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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A certain rock is a mixture of 70 per cent. of quartz, 25 per cent. of potash-felspar, and 5 per cent. of potash-mica.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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