danburite

American

[dan-buh-rahyt] / ˈdæn bəˌraɪt /

noun

a rare mineral, calcium borosilicate, CaB 2 Si 2 O 8 , occurring in pegmatite in yellow or colorless crystals resembling topaz.

after Danbury, where it was discovered in 1839; see -ite ¹

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023