- pegmatite mineral
- 伟晶岩矿物
English-Chinese geology dictionary (英汉地质大词典). 2013.
pegmatite mineral
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Pegmatite — is a very coarse grained igneous rock that has a grain size of 20 mm or more; such rocks are referred to as pegmatitic .Most pegmatites are composed of quartz, feldspar and mica; in essence a granite . Rarer intermediate and mafic pegmatite… … Wikipedia
mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… … Universalium
pegmatite — {{hw}}{{pegmatite}}{{/hw}}s. f. (mineral.) Roccia eruttiva in filoni, caratterizzata da cristalli molto grossi … Enciclopedia di italiano
Rare-earth mineral — A rare earth mineral is a mineral whose principal element is a rare earth element. Yttrium is found in almost all rare earth minerals. Rare earth minerals are usually found in association with alkaline to per alkaline igneous complexes, in… … Wikipedia
Palermoite — Catégorie VIII : phosphates, arséniates, vanadates[1] Palermoite sur Quartz fumé, Mine Palermo N° … Wikipédia en Français
Evje og Hornnes — Infobox Kommune name = Evje og Hornnes idnumber = 0937 county = Aust Agder landscape = Setesdal capital = Evje demonym = Evdøl Horndøl language = Neutral munwebpage = www.e h.kommune.no governor = Bjørn Alfred Ropstad (KrF) governor as of = 2004… … Wikipedia
Bjarebyite — Catégorie VIII : phosphates, arséniates, vanadates[1] Général Classe de Strunz 8.BH.20 Formule brute (Ba,Sr)(Mn … Wikipédia en Français
Barringer Hill — is a famous geological and mineralogical site in central Texas. It lies on the former west side of the Colorado river, beneath Lake Buchanan, about convert|22|mi|km northeast of the town of Llano. The hill consists of a pegmatite and geologically … Wikipedia
Kulanite — Catégorie VIII : phosphates, arséniates, vanadates[1] Kulanite (Vert bleu), sidérite (brune) Crosscut Creek, Canada … Wikipédia en Français
Chrysoberyl — General Category Oxide minerals Spinel group Chemical formula Be … Wikipedia
Jacques Thoreau — (27 septembre 1886 à Bruxelles 11 janvier 1973) fut professeur de minéralogie à l Université catholique de Louvain (UCL). Sommaire 1 Biographie 2 Distinctions honorifiques … Wikipédia en Français
