Grandreefite

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A monoclinic-prismatic colorless mineral containing fluorine, lead, oxygen, and sulfur.

Etymology

From Grand Reef + -ite; named for the location in which it was discovered in 1989, the Grand Reef Mine in Graham County, Arizona.

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