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Webster 1913 Edition

Gabbro

Gab′bro

,
Noun.
[It.]
(Geol.)
A name originally given by the Italians to a kind of serpentine, later to the rock called
euphotide
, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene (diallage) and labradorite, with sometimes chrysolite (olivine gabbro).

Webster 1828 Edition

Gabbro

GAB'BRO

,
Noun.
In mineralogy, the name given by the Italians to the aggregate of diallage and saussurite. It is the euphotide of the French, and the verde di Corcisa duro of artists.

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