set of various glossy mineral rocks and stones

almandine alunite aventurine background chalcopyrite cobble collection crystal crystalline different eudalite eudialyte ferruginous galena gem gemmology gemology gemstone geological geology glance iridescent isolated jaspilite jaspillite lead macro many material mineral natural nature object ore ornamental pebble piece pink pyrite quartzite rainbow red rock set spar specimen stone various white