Solid boulder #opal. Rare pattern probably formed millions years ago then EARTHQUAKE OR GROUND MOVEMENT CRACKED OPAL,AND WE ASSUME POTCH FILLED IN CRACKS AND SET OVER MILLIONS OF YEARS AGAIN .THIS IS NATURAL OPAL, NOT MAN MADE
A cavernous and almost perfectly round sinkhole swallowed an entire intersection in Guatemala City during a tropical storm. The hole is 66 feet across and plunges nearly 100 feet down. Geologists said that the circular shape suggested a cave formation underneath, but what exactly caused the sinkhole was still a mystery
Poseidon (/pɵˈsaɪdən/; Greek: Ποσειδῶν, pronounced [pose͜edɔ́͜ɔn]) is one of the twelve Olympian deities of the pantheon in Greek mythology. His main domain is the ocean, and he is called the "God of the Sea". Additionally, he is referred to as "Earth-Shaker" due to his role in causing earthquakes, and has been called the "tamer of horses". He is usually depicted as an older male with curly hair and beard.