hilgardite

noun

hil·​gard·​ite
ˈhilˌgärˌdīt,
-gər-
plural -s
: a mineral Ca8(B6O11)3Cl4.4H2O consisting of hydrous chloride and borate of calcium occurring in colorless monoclinic domatic crystals

Word History

Etymology

Eugene W. Hilgard †1916 American geologist + English -ite

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Cite this Entry

“Hilgardite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hilgardite. Accessed 1 Feb. 2023.

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