This is a non-diffusing subcategory of Category:Orthorhombic 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 Pn21m (No. 31) space group symmetry of the orthorhombic crystal system. This also includes P21mn, P21nm, and Pmn21
Pages in category "Minerals in space group 31"
The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes.