[化] 辉长岩

[ noun ]
one of a family of granular intrusive rocks
<noun.substance>

Gabbro \Gab"bro\, n. [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).

Euphotide \Eu"pho*tide\, n. [Gr. e'y^ well + ?, ?, light. So
called because of its pleasing combination of white and
green.] (Min.)
A rock occurring in the Alps, consisting of saussurite and
smaragdite; -- sometimes called {gabbro}.