Thunder agate slice

Thunder agate or thunder egg agate, technically called as lithophysae, is a nodule-like rock or a geode that is rough outside and filled with chalcedony and agate, jasper or opal. It is formed within layers of rhyolitic volcanic ash. It is known to connect individuals with the wisdom and energy of the Earth. It is believed to deepen meditation, facilitate spiritual growth, and facilitate one's connection to higher realms of consciousness.