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Webster 1913 Edition
Sphene
Sphene
,Noun.
[F.
sphène
, fr. Gr. σφήν
a wedge.] (Min.)
A mineral found usually in thin, wedge-shaped crystals of a yellow or green to black color. It is a silicate of titanium and calcium; titanite.
Webster 1828 Edition
Sphene
SPHENE
,Noun.