Definition of ilvaite in English:
A mineral consisting of a basic silicate of calcium and iron, typically occurring as black prisms.
- There are exceptions, such as German manganite, some Bolivian and Chinese cassiterite, Russian ilvaite, Brazilian and Namibian schorl, Panasqueira ferberite, and rutile, especially that from Graves Mountain, Georgia.
- As the first snowflakes of the season were falling, I bought a nice thumbnail of ilvaite on hedenbergite for only $10!
- Several smaller ilvaite crystals and some associated quartz crystals fill out the rest of this wonderful display piece.
Definition of ilvaite in:
- British & World English dictionary
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