ilvaite

noun
il·​va·​ite | \ ˈilvəˌīt \
plural -s

Definition of ilvaite

: a silicate CaFe3Si2O8(OH) of iron and calcium and sometimes manganese related to epidote and occurring in black prismatic crystals and columnar masses (hardness 5.5–6, specific gravity 4.0)

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History and Etymology for ilvaite

German ilvait, from Ilva (Elba), Italian island in the Mediterranean + German -it -ite

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Cite this Entry

“Ilvaite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ilvaite. Accessed 29 Jul. 2021.

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