What is a Saharan fulgurite?

It is natural glass formed when lightning strikes dry sand in the Sahara. The heat fuses the silica into a hollow tube.

Is this petrified lightning real?

Yes. It is a genuine fulgurite collected in the Sahara Desert, not a cast or an artificial glass.

Why do scientists study a fulgurite specimen?

The glass can trap molecules from the surrounding air. Researchers use them to learn about the composition of ancient climates.

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Petrified Lightning - Saharan Fulgurite Riker Box Specimen

Name: Small Riker Box Specimen Petrified Lightning - Saharan Fulgurite Riker Box Specimen
SKU: 80-112-0001-201-36
Price: 19.0 USD
Availability: OutOfStock

Petrified Lightning - Saharan Fulgurite Riker Box Specimen

SKU:80-112-0001-201-36

$19.00 USD

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Size Small Riker Box Specimen

A Saharan Fulgurite: Lightning Fused Into Glass

This Saharan fulgurite formed when a bolt of lightning struck dry desert sand. The heat fused the silica into a rough, hollow tube of natural glass. We call it petrified lightning, and it comes with a specimen card.

Product Details

Origin: Sahara Desert
Material: Natural glass formed from fused silica sand
Form: Rough, hollow tube with an uneven surface
Display: Saharan fulgurite in a riker box with specimen card
Edition: Originally featured in the Second Edition of the Mini Museum
Note: Each fulgurite is unique in size and shape

How Lightning Becomes Glass

When lightning hits dry sand, the silica melts almost instantly. The sand cools just as fast and freezes into a tube. Geologists measure the heat of a strike in the thousands of degrees. Collectors call the result lightning glass.

The name fulgurite comes from the Latin word for thunderbolt. Each fulgurite specimen records a single bolt, a flash that lasted a fraction of a second.

A Time Capsule in Every Fulgurite Specimen

The process happens so quickly that it can trap molecules from the surrounding air inside the glass walls. These tiny pockets act as natural time capsules. Scientists use them to study the composition of ancient climates.

You can pair this piece with other natural wonders in our Natural History Collection.

Display and Care

Lightning glass is brittle, so handle the piece gently. Display it in its riker box on a shelf away from direct sun. Keep the specimen card beside it, since the card explains how the piece formed.

About Fulgurites

Lightning can also fuse soil into glass tubes, though sand fulgurites are the best known. Petrified lightning from the Sahara records strikes that left no other trace. Each Saharan fulgurite is a small, permanent map of the path the bolt took.