قاعدة بيانات المعادن والعلاج بالكريستالالمعادنAmgaiteKasatkin, Anatoly V. and Anisimova, Galina S. and Nestola, Fabrizio and Plášil, Jakub and Sejkora, Jiří and Škoda, Radek and Sokolov, Evgeniy P. and Kondratieva, Larisa A. and Kardashevskaia, Veronika N.·CC BY-SA 4.0·WikimediaAmgaiteTrigonale root IMA approved