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Webster 1913 Edition

Sardoin

Sar′doin

,
Noun.
[Cf. F.
sardoine
.]
(Min.)
Sard; carnelian.

Webster 1828 Edition

Sardoin

S'ARDOIN

,
Noun.
A mineral, a variety of carnelian, which displays on its surface a rich reddish brown, but when held between the eye and the light, appears of a deep blood red.

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