Periodico di Mineralogia, Issue of December 2021

PERIODICO di MINERALOGIA has just published the Issue of December 2021 at https://rosa.uniroma1.it/rosa04/periodico_di_mineralogia/issue/view/1620 We invite you to review the Table of Contents here and the articles and items of interest.   Thanks for the continuing interest in our work. The Editor-in-Chief