|  | 
Definition of Cookeite
1. Noun. (minerology) A monoclinic-prismatic mineral containing aluminum, hydrogen, lithium, oxygen, and silicon. ¹
¹ Source: wiktionary.com
|  | 
1. Noun. (minerology) A monoclinic-prismatic mineral containing aluminum, hydrogen, lithium, oxygen, and silicon. ¹
¹ Source: wiktionary.com