
1) Copper mineral 2) Monoclinic mineral
Found on
https://www.crosswordclues.com/clue/lindgrenite

Lindgrenite is an uncommon copper molybdate mineral with formula: Cu3(MoO4)2(OH)2. It occurs as tabular to platey monoclinic green to yellow green crystals. ==Discovery and occurrence== It was first described in 1935 for an occurrence in the Chuquicamata Mine, Antofagasta, Chile, and named for Swedish–American economic geologist Waldemar Lindgre...
Found on
http://en.wikipedia.org/wiki/Lindgrenite
No exact match found.