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

                                                  Copyright: Erich H. Haiderer, 2007