KUBERNÁTOVÁ, Monika and Jan CEMPÍREK. Crystal chemistry of Pb-rich tourmaline. In 9th European Conference on Mineralogy and Spectroscopy (ECMS 2019, Prague). 2019.
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Basic information
Original name Crystal chemistry of Pb-rich tourmaline
Name in Czech Krystalová chemie Pb-bohatého turmalínu
Authors KUBERNÁTOVÁ, Monika and Jan CEMPÍREK.
Edition 9th European Conference on Mineralogy and Spectroscopy (ECMS 2019, Prague), 2019.
Other information
Original language English
Type of outcome Konferenční abstrakta
Country of publisher Czech Republic
Confidentiality degree is not subject to a state or trade secret
WWW URL
Organization Přírodovědecká fakulta – Repository – Repository
Keywords (in Czech) pegmatit; turmalín; liddicoatit; elbait; amazonit; olovo; Vietnam
Keywords in English pegmatite; tourmaline; liddicoatite; elbaite; amazonite; lead; Vietnam
Links GA17-17276S, research and development project.
Changed by Changed by: RNDr. Daniel Jakubík, učo 139797. Changed: 4/1/2023 03:35.
Abstract
The Minh Tien pegmatite in northern Vietnam is an elbaite-subtype granitic pegmatite with a mixed LCT+NYF geochemical signature. Tourmaline composition corresponds to fluor-liddicoatite, fluor-elbaite, and rarely also a Pb-analogue of fluor-liddicoatite. The primary lead enrichment in tourmaline is related to alteration of amazonite. Textural relations show that the Pb-rich tourmaline (Tur 1) formed together with lepidolite during metasomatic albitization of K-feldspar, and the further three generations formed during hydrothermal reaction of Li,B,F-rich fluids with Tur 1, K-feldspar and albite.
Abstract (in Czech)
Pegmatit Minh Tien v severním Vietnamu je granitický pegmatit elbaitového subtypu se smíšenou geochemickou signaturou LCT+NYF. Složení turmalínu odpovídá fluor-liddicoatitu, fluor-elbaitu, a vzácně též Pb-analogu fluor-liddicoatitu. Primární nabohacení Pb v turmalínu je vázáno na alteraci amazonitu. Texturní vztahy ukazují, že Pb-bohatý turmalín (Tur 1) vznikl spolu s lepidolitem během metasomatické albitizace K-živce, a další tři generace vznikly hydrotermální reakcí Li,B,F-bohatých fluid s Tur 1, K-živcem a albitem.
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