andesine

English dictionary entry

Meanings

noun
  1. Sodium calcium aluminum silicate, (Na_xCa_xAlSi_3O_8), a plagioclase feldspar, the third member of the albite-anorthite solid solution series. Found in fine-grained andesite lavas; crystals are rarely seen.

Word forms

andesine andesines

Etymology

From Andes + -ine, after its type locality in the Andes of Colombia.

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