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 R3 (No. 148) space group symmetry of the trigonal crystal system.
The following 25 pages are in this category, out of 25 total. This list may not reflect recent changes.