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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.

Definition 2024


ceylanite

ceylanite

English

Noun

ceylanite (countable and uncountable, plural ceylanites)

  1. (mineralogy) A dingy blue or greyish-black variety of spinel.

Synonyms