释义 |
il·va·ite \ˈilvəˌīt\ noun (-s) Etymology: German ilvait, from Ilva (Elba), Italian island in the Mediterranean + German -it -ite : 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) |