Agni Manitite, Cintamani stone or Fire Pearl
Associated with the solar chakra but also used for kundalini awakening. It is a pseudo tektite cousin to moldavite. Found in the ocean off the coast of Indonesia it was formed when A meteorite hit the Earth. A combination of earth and space debris super heated.
This stone can aid in manifestation by awakening one’s ability to create their vision and concentrating on actions to achieve.  both Hindu and Buddhist traditions find this stone to be the equivalent of a philosopher stone often mentioned in western Alchemy. Legend said fire Pearl was obtained from the dragon king of the sea. Others say it was rained down from the sky by Lakshmi a Hindu goddess.