Very interesting! Looks similar to something I've imagined before but different name and purpose. Mine is a called a virtue stone and it measures a person's aptitude for certain types of virtue and powers related to their innate virtue. Mine wouldn't have the head designs but the tree branches holding up the crystal looks quite similar to what I had in mind for the virtue stone. I was never certain what shape the actual stone was. Probably wouldn't be this. Very cool art though. Helps me imagine my idea in a better way. But don't worry I would never copy you. That's not right.