|  | 
Definition of Plumbotsumite
1. Noun. (minerology) An orthorhombic-disphenoidal colorless mineral containing hydrogen, lead, oxygen, and silicon. ¹
¹ Source: wiktionary.com
|  | 
1. Noun. (minerology) An orthorhombic-disphenoidal colorless mineral containing hydrogen, lead, oxygen, and silicon. ¹
¹ Source: wiktionary.com