plural -s
: a mineral NaBePO4 consisting of sodium beryllium phosphate occurring in light-colored topazlike orthorhombic crystals (hardness 5.5–6, specific gravity 2.85)

Word History


New Latin beryllium + English -on + -ite

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Dictionary Entries Near beryllonite

Cite this Entry

“Beryllonite.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2023.

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