1) Copper mineral 2) Orthorhombic mineral
Found on
https://www.crosswordclues.com/clue/spertiniite
Spertiniite is a rare copper hydroxide mineral. Chemically it is copper(II) hydroxide with formula Cu(OH)2. It occurs as blue to blue green tabular orthorhombic crystal aggregates in a secondary alkaline environment altering chalcosite. Associated minerals include chalcocite, atacamite, native copper, diopside, grossular and vesuvianite. ==Discove...
Found on
http://en.wikipedia.org/wiki/Spertiniite
No exact match found.
