pegmatite

As a letter s

is the letter s with a.

As a noun pegmatite is

.

As nouns the difference between pegmatite and null

is that pegmatite is while null is zero, nil; the cardinal number before einn.

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.

As nouns the difference between pegmatite and migmatite

is that pegmatite is a coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica. Often contains other minerals, which may be of economic importance. Pegmatite is chemically identical to granite, but has a much coarser crystal structure. Common colors are gray, white, and pink. Pegmatite is quarried for decorative stone and as a source of beryllium, columbium and tantalum when these are present. Gemstones of the quartz/silicate family may also be found in pegmatites while migmatite is any rock of mixed appearance, being an intimate mixture of granite and older rock, specifically from intense metamorphism which partially melts the rock, causing it to recrystallize in a state intermediate between igneous and metamorphic.

As nouns the difference between pluton and pegmatite

is that pluton is a body of igneous rock formed beneath the surface of the earth by consolidation of magma while pegmatite is a coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica. Often contains other minerals, which may be of economic importance. Pegmatite is chemically identical to granite, but has a much coarser crystal structure. Common colors are gray, white, and pink. Pegmatite is quarried for decorative stone and as a source of beryllium, columbium and tantalum when these are present. Gemstones of the quartz/silicate family may also be found in pegmatites.

is likely misspelled.

has no English definition.

As a noun pegmatite

is a coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica. Often contains other minerals, which may be of economic importance. Pegmatite is chemically identical to granite, but has a much coarser crystal structure. Common colors are gray, white, and pink. Pegmatite is quarried for decorative stone and as a source of beryllium, columbium and tantalum when these are present. Gemstones of the quartz/silicate family may also be found in pegmatites.

As a noun pegmatite

is .

As an adjective pegmatoid is

(mineralogy) resembling pegmatite; pegmatic.

As a noun pegmatite

is a coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica. Often contains other minerals, which may be of economic importance. Pegmatite is chemically identical to granite, but has a much coarser crystal structure. Common colors are gray, white, and pink. Pegmatite is quarried for decorative stone and as a source of beryllium, columbium and tantalum when these are present. Gemstones of the quartz/silicate family may also be found in pegmatites.

As an adjective miarolitic is

being or pertaining to a crystal-lined irregular cavity or vug most commonly found in granitic pegmatites.

As nouns the difference between pegmatite and brazilianite

is that pegmatite is while brazilianite is (mineral) a typically yellow-green phosphate mineral and precious stone, most commonly found in phosphate-rich pegmatites.

As nouns the difference between pegmatite and polycrase

is that pegmatite is while polycrase is (mineralogy) a black or brown amorphous metallic complex uranium yttrium oxide mineral, found in granitic pegmatites.