1) Calcium mineral 2) Hexagonal mineral
Found on
https://www.crosswordclues.com/clue/agardite
Agardite is a mineral group consisting of agardite-(Ce), agardite-(Nd), agardite-(La), and agardite-(Y). They comprise a group of minerals that are hydrous hydrated arsenates of rare earth elements and copper, which contain variable amounts of calcium and sometimes lead. Yttrium, cerium, neodymium, lanthanum as well as trace to minor amounts of ot...
Found on
http://en.wikipedia.org/wiki/Agardite
No exact match found.
