1) Triclinic mineral
Found on
https://www.crosswordclues.com/clue/quenstedtite
Quenstedtite is an uncommon iron sulfate mineral with chemical formula Fe2(SO4)3·10H2O. It forms violet or white triclinic crystals. Found in oxidized zones of pyrite-rich orebodies, especially in arid climates. It was first reported in 1888 for an occurrence in Tierra Amarilla, Copiapó Province, Atacama Region, Chile and named by G. Linck in 18...
Found on
http://en.wikipedia.org/wiki/Quenstedtite
No exact match found.
