1) Calc-alkaline rock 2) Carbonate mineral
Found on
https://www.crosswordclues.com/clue/gregoryite
Gregoryite is an anhydrous carbonate mineral that is rich in potassium and sodium with formula: [(Na2,K2,Ca)CO3]. It is one of the two main ingredients of natrocarbonatite, found naturally in the lava of Ol Doinyo Lengai volcano, the other being nyerereite. Because of its anhydrous nature, gregoryite reacts quickly with the environment, causing th...
Found on
http://en.wikipedia.org/wiki/Gregoryite
No exact match found.
