1. Department of Geology, Alexandru Ioan Cuza University of Iaşi, 20A Carol I Blv., 700505 Iaşi, Romania
2. Victor Gorduza County Museum of Mineralogy, 430212 Baia Mare, Romania
3. Department of Exact Sciences and Natural Sciences, Institute of Interdisciplinary Research, Alexandru Ioan Cuza University of Iași, Carol I Blv., 700506 Iași, Romania
4. Department of Mineralogy, Gottfried Wilhelm Leibniz University, Welfengarten 1, D-30167 Hannover, Germany