Geodes are rocks that have crystals on the inside. They are usually round and ...

Agate is a famous type of chalcedony. This gemstone has distinctive bands in various ...

One of the most interesting things you can find is a geode. Geodes are ...

A beautiful shot of Geoda de Pulpi mine in Spain Geodes are rocks that ...

set of polished, semiprecious, colorful gemstones against gray slate stone Many people like to ...

Geode with crystals of light-blue color. Quartz geode with transparent crystals. The first crack ...