1) Chromium mineral 2) Orthorhombic mineral
Found on
https://www.crosswordclues.com/clue/guyanaite
Guyanaite (CrOOH) is a chromium oxide mineral that forms as an intergrowth with other chromium oxide minerals known as bracewellite (CrOOH) and grimaldiite (CrOOH) as well as eskolaite (Cr3O2) which in early findings were nearly indistinguishable from one another. These oxides formed so closely as intergrowths with one another that they were initi...
Found on
http://en.wikipedia.org/wiki/Guyanaite
No exact match found.
