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 Pmna (No. 62) space group symmetry of the orthorhombic crystal system. This also includes Pbnm, Pcmn, Pmcn, Pmnb, and Pnam.