|
Definition of Tranquillityite
1. Noun. (minerology) A hexagonal dark red mineral containing iron, oxygen, silicon, titanium, yttrium, and zirconium. ¹
¹ Source: wiktionary.com
|
1. Noun. (minerology) A hexagonal dark red mineral containing iron, oxygen, silicon, titanium, yttrium, and zirconium. ¹
¹ Source: wiktionary.com