Pegmatite

Word PEGMATITE
Character 9
Hyphenation peg ma tite
Pronunciations N/A

Definitions and meanings of "Pegmatite"

What do we mean by pegmatite?

A coarse-grained granite, sometimes rich in rare elements such as uranium, tungsten, and tantalum. noun

Coarsely crystallized granite. Also called granitel, granitelle. noun

Graphic granite. See under granite. noun

More generally, a coarse granite occurring as vein material in other rocks. noun

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. noun

A form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements noun

A coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica.

Synonyms and Antonyms for Pegmatite

  • Synonyms for pegmatite
  • Pegmatite synonyms not found!!!
  • Antonyms for pegmatite
  • Pegmatite antonyms not found!

The word "pegmatite" in example sentences

Coarse granite (known as pegmatite) often breaks up in weathering, leaving large pieces of quartz and feldspar lying on the ground. ❋ Unknown (1993)

In most rocks feldspar is in too small grains and is too intimately associated with other minerals to be of commercial importance; in only one type of rock, pegmatite, which is an igneous rock of extremely coarse and irregular texture, are the feldspar crystals sufficiently large and concentrated to be commercially available. ❋ Unknown (1915)

Whitmore owns the Palermo mines in North Groton, N.H., a source of the granite-type rock known as pegmatite, as well as about 150 other minerals including whitmoreite, named in his honor. ❋ Unknown (2010)

The largest spodumene crystal ever found was found in a pegmatite in South Dakota. ❋ Unknown (2009)

Commercial quantities of spodumene are in a special igneous rock deposit that geologists call a pegmatite. ❋ Unknown (2009)

A pegmatite is an extremely slow-cooling igneous rock in which very large crystals can form. ❋ Unknown (2008)

The most important sources of sheet mica are the pegmatite deposits. ❋ Unknown (2008)

Both of these minerals are typical of a special igneous deposit known as a pegmatite. ❋ Unknown (2008)

This mineral is typical of a special igneous rock known as a pegmatite. ❋ Unknown (2008)

Very large sheets or crystals of muscovite form in a pegmatite. ❋ Unknown (2008)

At the foot of Hance Rapid, the river leaves Marble Canyon; its regular and stately sandstones, shales, limestones, and quartzites tower higher and higher above, while the river quickly incises itself a thousand feet into the black and pegmatite-veined Precambrian schists of the Inner Gorge. ❋ Ann Althouse (2005)

If there are dilithium-bearing pegmatite veins anywhere—which I doubt—they're probably underneath it. ❋ L.A Graf (2000)

"Now, if I were a dilithium pegmatite ore, what building would I be hiding in?" ❋ L.A Graf (2000)

When the magma hardens, you get a blob of dilithium-bearing pegmatite frozen inside. ❋ L.A Graf (2000)

All it has to do is break off a chunk of pegmatite from some underground vein it passes on its way up, then carry it up to the surface without melting it. ❋ L.A Graf (2000)

The road gang had reached the last, and the biggest, of the pegmatite ridges. ❋ Longyear, Barry (1982)

As Pete talked with Packy, Little Will studied the cracks in the pegmatite. ❋ Longyear, Barry (1982)

By the time you got your particle-accelerators and mass chromatographs and the rest of your needs to Lithia, you'd have cost the UN so much that no amount of locally available pegmatite could compensate for it. ❋ Blish, James (1953)

That same day you mentioned to me that you were looking for pegmatite when you had your accident, and that you thought Lithia might be a good place for tritium production on a large scale. ❋ Blish, James (1953)

Autunite is usually found with pitchblende and other uranium minerals, or with ores of silver, tin and iron; it sometimes coats joint-planes in gneiss and pegmatite. ❋ Various (N/A)

Cross Reference for Pegmatite

What does pegmatite mean?

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