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Carrière de Beauvoir, France
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Neotantalite and Cassiterite, Carrière de Beauvoir, Les Echassières, Allier, France. In a 2cm capsule, itself enclosed in a glass tube 5cm long and 1cm in diameter, containing alluvial sand. The name ‘neotantalite’ is the obsolete name for ‘microline’, a potassium aluminium silicate. Photocopied Chervet label