Found in Back Yard in Arizona

https://preview.redd.it/xpudbq768m9d1.jpg?width=4752&format=pjpg&auto=webp&s=1d4fe7cdc9648aed1d987bb095261f5b35c8936b

EOCK WITH GREEN AREAS

I am thinking maybe some form of copper? Found in Prescott, AZ