Cornwallite
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A basic copper arsenate mineral with chemical formula Cu₅(AsO₄)₂(OH)₄. uncountable
Etymology
Named for type locality, Cornwall (England) + -ite.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.