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Pegmatite vs Euclase - What's the difference?

pegmatite | euclase |

As nouns the difference between pegmatite and euclase

is that pegmatite is while euclase is (mineral) a monoclinic beryllium aluminium hydroxide silicate mineral, a product of the decomposition of beryl in pegmatites.

pegmatite

Noun

(en 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.
  • See also

    *feldspar *granite *quartz ----

    euclase

    Noun

  • (mineral) A monoclinic beryllium aluminium hydroxide silicate mineral, a product of the decomposition of beryl in pegmatites.