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Volume 15
Issue 6
10.3390/min15060641
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Article

Data of Lithium from Triphylite LiFe2+PO4 Present in Conțu-Negovanu Pegmatites, in the Southern Carpathians, Romania

by
Nicolae Călin
*,
Ciprian Constantina
,
Diana Perșa
,
Valentina Cetean
and
Valentin Paraschiv
Geological Institute of Romania, Caransebeș Street, No. 1, Sector 1, RO-012271 Bucharest, Romania
*
Author to whom correspondence should be addressed.
Minerals 2025, 15(6), 641; https://doi.org/10.3390/min15060641
Submission received: 15 March 2025 / Revised: 23 May 2025 / Accepted: 29 May 2025 / Published: 12 June 2025
(This article belongs to the Special Issue Pegmatites as Hosts of Critical Metals: From Petrogenesis to Mineral Exploration)
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Abstract

This study aims to describe the triphylite (LiFe2+PO4) from Li-bearing pegmatites from the Conțu-Negovanu area (Southern Carpathians, Romania). Thus, for the first time in this area, using four analytical methods, i.e., electron micro-probe analysis (EMPA), polarized optical microscopy (POM), Fourier transform infrared spectroscopy (FTIR), and powder X-ray diffraction (p-XRD), the authors have succeeded in isolating the triphylite from the isomorphous triphylite–lithiophilite series. In addition, in the Conțu-Negovanu area, two new minerals were identified and described for the first time in pegmatites from this area: Fe-rich gatehouseite and wolfeite. The use of EMPA allowed for the tentative calculation of empirical formulae for these secondary phosphate minerals.
Keywords: triphylite; wolfeite; Fe-rich gatehouseite; raw material for battery; Li–cathode triphylite; wolfeite; Fe-rich gatehouseite; raw material for battery; Li–cathode

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MDPI and ACS Style

Călin, N.; Constantina, C.; Perșa, D.; Cetean, V.; Paraschiv, V. Data of Lithium from Triphylite LiFe2+PO4 Present in Conțu-Negovanu Pegmatites, in the Southern Carpathians, Romania. Minerals 2025, 15, 641. https://doi.org/10.3390/min15060641

AMA Style

Călin N, Constantina C, Perșa D, Cetean V, Paraschiv V. Data of Lithium from Triphylite LiFe2+PO4 Present in Conțu-Negovanu Pegmatites, in the Southern Carpathians, Romania. Minerals. 2025; 15(6):641. https://doi.org/10.3390/min15060641

Chicago/Turabian Style

Călin, Nicolae, Ciprian Constantina, Diana Perșa, Valentina Cetean, and Valentin Paraschiv. 2025. "Data of Lithium from Triphylite LiFe2+PO4 Present in Conțu-Negovanu Pegmatites, in the Southern Carpathians, Romania" Minerals 15, no. 6: 641. https://doi.org/10.3390/min15060641

APA Style

Călin, N., Constantina, C., Perșa, D., Cetean, V., & Paraschiv, V. (2025). Data of Lithium from Triphylite LiFe2+PO4 Present in Conțu-Negovanu Pegmatites, in the Southern Carpathians, Romania. Minerals, 15(6), 641. https://doi.org/10.3390/min15060641

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