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Webster 1913 Edition

Tantalite

Tan′ta-lite

,
Noun.
[Cf. F.
tantalite
.]
(Min.)
A heavy mineral of an iron-black color and submetallic luster. It is essentially a tantalate of iron.

Webster 1828 Edition

Tantalite

TAN'TALITE

,
Noun.
The ore of tantalum or columbium, a newly discovered metal. It is an iron black color, sometimes with a tinge of blue. It is imbedded in angular pieces, from the size of a pea to that of a hazel-nut.

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