Geodes

The geodesic caves on the outside look like stone and on the inside they are covered with crystals in various sizes and colors such as Agate, Chalcedony, Jasper, Dolomite, Quartz etc. The largest geodes are the cathedrals.

Depending on the metals present in each geode we observe unique natural color combinations. Natural mineral geologic rock.
The brightly colored geodes are artificially colored caves.