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Webster 1913 Edition

Datolite

Dat′o-lite

,
Noun.
[From. Gr.
[GREEK]
to divide +
-lite
; in allusion to the granular structure of a massive variety.]
(Min.)
A borosilicate of lime commonly occuring in glassy,, greenish crystals.
[Written also
datholite
.]

Webster 1828 Edition

Datolite

DAT'OLITE

or DATH'OLITE,
Noun.
The siliceous borate of lime, a mineral of two subspecies, the common and the botryoidal. The common is of a white color, of various shades, and greenish gray. It occurs in granular distinct concretions, and crystalized. The botryiodal occurs in mammillary concretions, or in botryiodal masses, white and earthy. It is named from its want of transparency.
DA'TUM, n. Something given or admitted.
DATU'RA, n. A vegeto-alkali obtained from Datura stramonium.
DAUB, v.t.

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