Definitions
from The Century Dictionary.
- noun A rare mineral occurring in massive forms of a velvet-black color.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun a complex
silicate mineral ofcalcium ,cerium ,thorium ,iron ,magnesium andtitanium
Etymologies
Sorry, no etymologies found.
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Examples
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The placer gravels contain abundant chevkinite, eudialyte, ilmenite, monazite, tscheffkinite, and zircon and minor to trace allanite, cassiterite and thorite.
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