2-3"
Random pull 
Your piece will be (if not the exact picture) quite similar!
 
Green Opal is a stone that's all about the heart. This crystal is here to provide nourishing and rejuvenating energies to anyone struggling with emotional heartache.
Green Opal is also a stone that is here to calm you down during hyper-emotional times. When held, it’s soothing energies can be felt. We recommend anyone who does struggle with their emotions to meditate with a piece of Green Opal. Doing so will not only calm the emotions but also slow your mind down. It's important for us to take a step away from everyday life and put ourselves first for a moment. Meditating with Green Opal repeatedly will help one fully open and cleanse their heart of all unwanted emotions.
 
Please see our Crystal Lore Section for more info on this amazing stone!