Images via: (clockwise from top left) “Salt” by David Björn (cropped from original), “agate” by andy muir (cropped from original), “Agates” by Smabs Sputzer (cropped from original), “Uruguay agate” by Jessa and Mark Anderson (cropped...
*images via: “Crystal Cove Rock” by Jeremiah Tran, “Rock Crystals” by Matthew Venn, “Blue Crystal” by Quinn Dombrowski, by Phoebe...