gabbro

As nouns the difference between pegmatite and gabbro

is that pegmatite is while gabbro is (rock) a name originally given to a kind of serpentine, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite.

In lang=en terms the difference between gabbro and rock

is that gabbro is a name originally given to a kind of serpentine, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite while rock is a precious stone or gem, especially a diamond.

As a verb rock is

to move gently back and forth.

As a proper noun Rock is

{{surname|topographic|from=Middle English}} for someone living near a rock or an oak ( {{term|atter|lang=enm}} + {{term|oke|lang=enm}} ).

As nouns the difference between gabbro and norite

is that gabbro is a name originally given to a kind of serpentine, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite while norite is a granular crystalline rock consisting essentially of a triclinic feldspar (such as labradorite) and hypersthene.

In lang=en terms the difference between diorite and gabbro

is that diorite is a grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene while gabbro is a name originally given to a kind of serpentine, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite.

As nouns the difference between rhyolite and gabbro

is that rhyolite is (geology) an igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture while gabbro is (rock) a name originally given to a kind of serpentine, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite.