fulgurite in a sentence

Definition

Fulgurite is a glassy, tubular structure formed when lightning strikes sand, melting and fusing the grains together.

Fulgurite is formed when lightning strikes sandy soil, melting the grains into glassy structures.
The unique shape of the fulgurite resembles a twisted root, capturing the moment of its formation.
Geologists often study fulgurite to better understand the electrical properties of lightning.
After a storm, the beach was scattered with pieces of fulgurite, glistening in the sunlight like precious gems.
Collectors prize fulgurite for its rarity and the fascinating story of how it was created.