Liquid-filled rocks form when minerals trap fluids, but depending on their composition they can either be classed as enhydros, enhydro agates, or fluid inclusions. An enhydro is a hollow nodule that ...
Imagine crystal-clear waters lapping against ancient stones ... It’s like a Norman Rockwell painting come to life, minus the corny dialogue bubbles. Photo credit: Brennan Vining For the landlubbers ...