Definitions
Century Dictionary and Cyclopedia
- n. A rare mineral occurring in massive forms of a velvet-black color. It is a silicate containing titanium, iron, the cerium metals, and other elements; its exact composition is doubtful.
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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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