Minerals in the Pca21 spacegroup of the Orthorhombic crystal system, Pyramidal class (mm2)
Agaite Alfredstelznerite Boracite Bowlesite Chambersite | Cobaltite Ericaite Nchwaningite Orthogersdorffite Orthoserpierite | Russellite Scenicite Tavagnascoite Vitusite-(Ce) |