ilvaite

noun il·va·ite \ˈilvəˌīt\

Definition of ilvaite

plural

-s

  1. :  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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Origin and Etymology of ilvaite

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


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