set of various mineral stones: orpiment, etc

amethyst apatite aquamarine argillite background beryl castorite collage collection crystal crystalline danburite datolite edenite fluorite gem gemstone geological golden halite heliodor hematite isolated mica mineral morganite natural orpiment pebble petalite phlogopite piece pink pyrite quartz ratebane realgar rock salt sample set specimen stone suevite tanzanite various vorobievite white yellow zoisite