set of various unpolished pink rocks with names

aventurine background brown chalcedony chalcopyrite clay collage collection copper cupropyrite cut cutout description feldspar felspar flint fluorite fluorspar granite gypsum isolated jasper marl marlstone mergel mineral mudstone name natural out pegmatite pink pyrite quartz raw red rhodochrosite rhodonite rhyolite rock rose rough sample selenite set silt specimen stone tourmaline unpolished various white