1) Monoclinic mineral 2) Zinc mineral
Found on
https://www.crosswordclues.com/clue/ianbruceite
Ianbruceite is a rare hydrated zinc arsenate with the formula [Zn2(OH)(H2O)(AsO4)](H2O)2; material from the Driggith mine has traces of cobalt. It was first discovered at Tsumeb, approved by the International Mineralogical Association as a new mineral species in 2011, reference IMA2011-49, and named for Ian Bruce, who founded `Crystal Classics` .....
Found on
http://en.wikipedia.org/wiki/Ianbruceite
No exact match found.
