Chalcedony (Agate)

Chalcedony ( Agate)

Most agates occur as nodules in volcanic rocks or ancient lavas, in former cavities produced by volatiles in the original molten mass, which were then filled, wholly or partially, by siliceous matter deposited in regular layers upon the walls

Locality: Patagonia, Argentina

Collection: M. Schäfer, Piesbach
Photo: Edgar Müller

Next Post Previous Post