New Insights for Gem-Quality Mn-Bearing Diopside-Omphacite, Violane Variety, from Saint Marcel (Val D’Aosta, Italy): Its Trace Elements and Spectroscopic Characterization

by Valeria Diella, Rosangela Bocchio, Franca Caucia, Nicoletta Marinoni, Antonio Langone, Elena Possenti
Published 2021-02-01

Gem-Quality Tourmaline from LCT Pegmatite in Adamello Massif, Central Southern Alps, Italy: An Investigation of Its Mineralogy, Crystallography and 3D Inclusions

by Valeria Diella, Federico Pezzotta, Rosangela Bocchio, Nicoletta Marinoni, Fernando Cámara, Antonio Langone, Ilaria Adamo, Gabriele Lanzafame
Published 2018-12-01