Description
Genuine Libyan Desert Glass – Sahara Impact Glass Specimen
This Libyan Desert Glass specimen is a genuine natural impact glass formed in the Sahara Desert and carefully selected for quality and visual character. The photographs provided show the exact specimen you will receive, ensuring complete transparency and confidence in your purchase. Please refer to the images for full sizing details and scale.
This meteorite-related specimen includes a Certificate of Authenticity lifetime guarantee generic card confirming that it is a genuine Libyan Desert Glass example sourced from the Sahara region.
Classification & Meteorite Association
Libyan Desert Glass, also known as Great Sand Sea Glass, is a natural silica-rich impact glass associated with a large meteorite event in the Sahara Desert of eastern Libya and western Egypt. It is not a meteorite fragment itself, but an impactite – a terrestrial glass formed when a meteorite impact generated extreme temperatures sufficient to melt surface sand and silica-rich sediments.
The material is composed predominantly of nearly pure silica (SiO₂), often exceeding 95% purity. Unlike typical tektites, Libyan Desert Glass is chemically distinct and is sometimes classified separately from classical strewn-field tektites due to its unusually high silica content and unique formation conditions.
Geological Age: Approximately 29 million years (Oligocene Epoch)
Formation Process: Hypervelocity meteorite impact
Material Type: Natural silica impact glass
Location: Great Sand Sea, Sahara Desert (Libya–Egypt border region)
The extreme heat generated during the impact event fused desert sands into translucent to transparent glass masses, which later weathered out onto the desert surface.
Geological & Morphological Features
Libyan Desert Glass typically displays colours ranging from pale yellow and champagne to golden honey tones. Transparency varies from fully transparent to translucent depending on thickness and internal structure. The glass often exhibits natural surface pitting, wind abrasion and rounded contours caused by prolonged exposure to desert conditions.
Internal features may include flow lines, bubbles and minor inclusions formed during rapid cooling of molten silica. The texture is vitreous with a glassy lustre, and fracture patterns are commonly conchoidal, similar to obsidian.
The specimen may show naturally sculpted shapes formed by aeolian erosion, where desert winds have gradually smoothed and shaped the glass over thousands of years.
Impact Origin & Scientific Significance
Scientific research indicates that Libyan Desert Glass formed during an intense meteorite impact event that produced temperatures exceeding 1700°C, sufficient to melt surface quartz sand. While no confirmed crater has been definitively linked to its formation, geochemical and isotopic studies support an impact origin.
The glass is found scattered across a wide strewn field in the Great Sand Sea, covering hundreds of square kilometres. Its high silica purity and lack of extensive crystallisation distinguish it from volcanic glass and confirm its unique formation mechanism.
Libyan Desert Glass has also been historically significant; it was used in ancient Egypt, including a carved scarab found in the pectoral of Pharaoh Tutankhamun, highlighting its long-standing cultural value.
Collectible Meteorite Impactite Specimen
Libyan Desert Glass is highly sought after by meteorite collectors, impactite enthusiasts and mineral collectors worldwide. Its direct connection to a prehistoric cosmic impact event makes it a fascinating addition to any geological collection.
Each piece displays natural variations in colour, clarity and surface texture, reflecting its formation and long exposure in the Sahara environment. The specimen shown in the photographs is the exact piece you will receive.
Authenticity & Presentation
This Sahara Desert impact glass specimen has been carefully chosen for authenticity, colour and natural character. Included is a Certificate of Authenticity lifetime guarantee generic card confirming that the item is a genuine Libyan Desert Glass specimen.
A remarkable example of natural impact glass formed by extraterrestrial forces, this Libyan Desert Glass offers geological significance, desert provenance and collectible appeal in one carefully selected specimen.





Reviews
There are no reviews yet.