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Crystal Chemistry of Eudialyte Group Minerals from Rouma Island, Los Archipelago, Guinea
- Natale Perchiazzi,
- Cristiano Ferraris,
- Daniela Mauro and
- Pietro Vignola
We herein present a comprehensive investigation of the eudialyte group minerals from the nepheline syenites of Rouma Island in the Los Archipelago, Conakry region, Guinea. Two distinct mineral phases were identified: an oneillite-like phase, associat...