This paper deals with the study of the morphological, optical and chemical features of bravoites from a sedimentary ore deposit (Chaudfontaine) and a vein-type ore deposit (La Rochette). In both cases, the reflectance and the chemical composition have been compared. Besides a zoned structure, a spotted structure has been observed in the core of some crystals. Furthermore, the correlation between reflectance and Ni-content has been confirmed only for Co-poor bravoites.
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