Fulgurite (derived from the Latin root word "fulgur", meaning lightning) is Lightning Glass formed by blossoming of electricity and silica when a thunder bolt of lightning strikes a dune of sand and such creates glassy crystal formations.
from Great Erg, Algeria
Energetisc Properties:
Aphrodisiatic abilities might be increased
Aphrodisiatische Fähigkeiten
Connections to parallel universies may be getting more clear