barylite

noun

bar·​y·​lite

ˈbarəˌlīt

plural -s

: a mineral BaBe₂Si₂O₇ consisting of rare silicate of barium and beryllium occurring in colorless prismatic crystals (hardness 7, specific gravity 4.03)

Word History

Etymology

International Scientific Vocabulary bary- + -lite; originally formed as German barylit

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