This is a non-diffusing subcategory of Category:Trigonal minerals. It includes minerals that can also be found in the parent category, or in diffusing subcategories of the parent. |
This category lists minerals that display the R3m (No. 166) space group symmetry of the trigonal crystal system.
Pages in category "Minerals in space group 166"
The following 45 pages are in this category, out of 45 total. This list may not reflect recent changes.