Fulgurite
Description
A tube of natural glass formed when lightning strikes a dry sandy region, such as a desert. A fulgurite is composed of almost pure silica. The glassy rock has a tubular shape.
Synonyms and Related Terms
lechatelierite
A tube of natural glass formed when lightning strikes a dry sandy region, such as a desert. A fulgurite is composed of almost pure silica. The glassy rock has a tubular shape.
lechatelierite
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