Category:Minerals in space group 12

This is a non-diffusing subcategory of Category:Monoclinic 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 C2/m (No. 12) space group symmetry of the monoclinic crystal system. This also includes A2/m, I2/m, and F2/m.