The Serra Branca amazonite pegmatite of the Vieiropolis pegmatite field, Paraiba, Brazil; a new and unusual megacrystic amazonite deposit

The recently discovered Serra Branca amazonite pegmatite in the state of Paraiba, Brazil, is an evolved niobium-yttriumfluorine (NYF) granitic pegmatite, which belongs to the Vieiropolis pegmatite field, the first NYF pegmatite field described from the Borborema Province. The pegmatite is an unusual...

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Bibliographic Details
Published in:	Canadian mineralogist Vol. 58; no. 6; pp. 679 - 702
Main Authors:	Lira Santos, Glenda, de Albuquerque e Souza, Igor Manoel Belo, Barreto, Sandra de Brito, Neto, Jose Ferreira de Araujo, Müller, Axel
Format:	Journal Article
Language:	English
Published:	Mineralogical Association of Canada 21-12-2020
Subjects:	accessory minerals albite alkali feldspar amazonite Borborema Province Brazil chemical composition columbite construction materials dimension stone Economic geology feldspar group fluorine framework silicates galena granites halogens helvite high-field-strength elements igneous rocks major elements megacrysts metals minor elements nesosilicates niobates niobium nonmetal deposits nonmetals ornamental materials orthosilicates oxides pegmatite phenakite phenakite group plagioclase plutonic rocks rare earths Rio Grande do Norte Brazil Serra Branca Pegmatite silicates sodalite group South America sulfides trace elements Vieiropolis pegmatite field yttrium
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