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ATHENA

MINERALOGY

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Mineral: BORTOLANITE
Formula: Ca2(Ca1,5Zr0,5)Na(NaCa)Ti(Si2O7)2(OF)F2
Crystal System: Monoclinic
Group: Seidozerite supergroup. Bafertisite group
IMA Number: 2021-040a
References: EJM 34 (2022), 1; CM 60 (2022), 699; MM 88 (2024), 380
Type Locality: Bortolan quarry, Poços de Caldas alkaline complex, Minas Gerais, Brazil

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