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ATHENA

MINERALOGY

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Mineral:FOGOITE-(Y)
Formula:Na3Ca2Y2Ti(Si2O7)2OF3
Crystal System:Anorthic (Triclinic)
Strunz Nr:8/C.12-70
Group:Rosenbuschite group
References:MM 81 (2017), 369
Type Locality:Lagoa do Fogo, Fogo volcano, São Miguel Island, Azores, Portugal

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