Definitions
from The Century Dictionary.
- noun   Same as felsite .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.)  See felsite .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy  Felsite .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From German Feldstein, in analogy with English feldspar.
			
		
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Examples
- 
								Mackintosh alludes (loc. cit., page 442) to felstone boulders around Ashley Heath, the highest ground between the Pennine and More Letters of Charles Darwin — Volume 2 Charles Darwin 1845 
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