|  | 
Definition of Cyrilovite
1. Noun. (minerology) A tetragonal-trapezohedral mineral containing hydrogen, iron, oxygen, phosphorus, and sodium. ¹
¹ Source: wiktionary.com
|  | 
1. Noun. (minerology) A tetragonal-trapezohedral mineral containing hydrogen, iron, oxygen, phosphorus, and sodium. ¹
¹ Source: wiktionary.com