Fulgurit is formed when the lightning strikes in sand or stone. If you dig there you will find them far down in the earth / sand that petrified "pipes" formed by the minerals from the site.
Also sometimes called flash glass.

Fulgurit has a powerful vibration and helps you achieve your highest quality. Cleanses and balances and helps you let go of bad habits that no longer benefit you. Join you with your intuition and your divine energy.