Libyan desert glass

Libyan desert glass is a rare natural material found in the Great Sand Sea region, on the border of Egypt and Libya. This type of glass has a very high silica content (up to 98%) and is considered one of the purest forms of natural glass in the world. Its colour ranges from transparent yellow to bright greenish-yellow shades.

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Origins

Libyan desert glass originated approximately 26-29 million years ago, although its exact origins are still debated among scientists. The most common theories claim that this glass was formed as a result of extreme temperatures during a meteorite impact, which caused the surface rocks to melt and solidify. Another hypothesis suggests that it was an explosion in the atmosphere (called an "airburst") that generated enough heat without leaving an impact crater.

Historical and cultural significance

Libyan desert glass was known in ancient Egypt. One of the most famous artefacts made from this glass is the scarab embedded in the necklace of Pharaoh Tutankhamun. This necklace was found in his tomb and is considered one of the most valuable artifacts from the period of ancient Egypt.

Usage

Jewellery: Due to its unique colour and purity, Libyan desert glass is popular among jewellery makers. It is used to make necklaces, rings, pendants and other decorative items. Due to its mysterious origin and unusual appearance, it has a high aesthetic value, making it an attractive material for jewellery.

Collectibles: Libyan desert glass is highly prized by mineral and tektite collectors. Its rarity and its association with ancient history, such as the artefacts from Tutankhamun's tomb, make it a highly prized collector's piece.

Scientific use: Libyan desert glass is also of great scientific importance. Geologists and planetary scientists study it to understand the impact processes and high-temperature events that occur during meteorite impacts.