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felsite
[ fel-sahyt ]
noun
- a dense, fine-grained, igneous rock consisting typically of feldspar and quartz, both of which may appear as phenocrysts.
felsite
/ fɛlˈsɪtɪk; ˈfɛlsaɪt; ˈfɛlˌstəʊn /
noun
- any fine-grained igneous rock consisting essentially of quartz and feldspar
felsite
/ fĕl′sīt′ /
- A fine-grained, light-colored igneous rock, consisting mainly of feldspar and quartz.
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Derived Forms
- felsitic, adjective
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Other Words From
- fel·sit·ic [fel-, sit, -ik], adjective
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Word History and Origins
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Word History and Origins
Origin of felsite1
C18: fels(par) + -ite 1
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Example Sentences
The stones themselves were felsite, which abounds in the locality.
From Project Gutenberg
The rough felsite blocks of which they were composed were surprisingly large, considering the diminutive size of the cabins.
From Project Gutenberg
We found, besides, a few cores of felsite and some shapeless flakes and several fragments of large metates.
From Project Gutenberg
The blocks were lava and hard felsite, measuring one and a half to three feet.
From Project Gutenberg
Still later, dolerite sills and sheets and dikes of granophyre and quartz felsite followed in the same region.
From Project Gutenberg
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