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Webster 1913 Edition

Ceylanite

Cey′lan-ite

,
Noun.
[F., fr.
Ceylan
Ceylon.]
(Min.)
A dingy blue, or grayish black, variety of spinel. It is also called
pleonaste
.
[Written also
ceylonite
.]

Webster 1828 Edition

Ceylanite

CEYLANITE

,
Noun.
A mineral, classed with the ruby family; called also pleonaste. Its color is a muddy, dark blue, and grayish black, approaching to iron black. It occurs in grains, or small crystals, either perfect octahedrons, or truncated on the edges, or with the angles acuminated by four planes. It occurs also in rhomboidal dodecahedrons.

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