1) Monoclinic mineral 2) Potassium mineral
Found on
https://www.crosswordclues.com/clue/margaritasite
Margaritasite is a yellow, caesium-bearing mineral in the carnotite group. Its chemical formula is (Cs, K, H3O)2(UO2)2V2O8·H2O and its crystal system is monoclinic. ==Name and discovery== It was first described in 1982 from the Margaritas uranium deposit, in the Peña Blanca district of the municipality of Aldama, in the Mexican state of Chihuahu...
Found on
http://en.wikipedia.org/wiki/Margaritasite
No exact match found.
