Felsite vs Petrosilex - What's the difference?

felsite | petrosilex |


As nouns the difference between felsite and petrosilex

is that felsite is (mineral) a fine grained volcanic extrusive rock, generally light in color, composed of felsic minerals while petrosilex is (mineralogy) felsite.

felsite

Noun

(en noun)
  • (mineral) A fine grained volcanic extrusive rock, generally light in color, composed of felsic minerals.
  • The buff-colored dacites of the Superstition Mountains are felsites .
  • (geology) Any light-colored volcanic rock whose true mineralogy is not yet determined.
  • Synonyms

    * eurite

    Anagrams

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    petrosilex

    English

    Noun

    (es)
  • (mineralogy) felsite
  • (Webster 1913)