Varenche Mine, Saint-Barthélemy, Nus, Aosta Valley, Italy
OLYMPUS DIGITAL CAMERA E-M5MarkII + Componon 28 mm Bonacinaite twinned aggregate The maximum size reaches 0.25 mm Specimen of Franco Vanini Photographed by Enrico Bonacina
OLYMPUS DIGITAL CAMERA E-M5MarkII + Yvar 12.5 mm Small crystal of bonacinaite (gift by Giorgio Bortolozzi) The crystal reaches the maximum size of 0.045 mm Specimen and photo by Enrico Bonacina
Small aggregates of bonacinaite in small cavity The overall size is 0.43 mm Specimen and photo by Enrico Bonacina
Tiny, pseudohexagonal bonacinaite crystals. Phosphorus is also present, the As:P at% ratio being about 3.5:1. Wallkilldellite is also present on the sample. EDX analysis (EDXPR_2779) and collection: P. Roth
© Philippe Roth
Purple crystal of bonacinaite FOV 0,8 mm Collection and Photo : Vincent Bourgoin
© Vincent Bourgoin 2018
Purple bonacinaite from the type locality, FOV approx. 300µm.
Collection and photo: Giorgio Bortolozzi
Specimen used for analysis. Photo: Giorgio Bortolozzi.