
1) Potassium mineral 2) Triclinic mineral
Found on
https://www.crosswordclues.com/clue/lópezite

Lopezite is a rare red chromate mineral with chemical formula: K2Cr2O7. It crystallizes in the triclinic crystal system. It occurs as rare vug fillings in nitrate ores in association with tarapacáite (K2CrO4), dietzeite and ulexite in the Chilean Atacama and is reported from the Bushveld igneous complex of South Africa. Lopezite was first describ...
Found on
http://en.wikipedia.org/wiki/Lópezite
No exact match found.