Potassic-arfvedsonite

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A sodium amphibole mineral with the chemical formula [(K,Na)][Na₂][Fe₂₊₄Fe₃₊]Si₈O₂₂(OH)₂. uncountable

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.