34.25 ct LIBYAN DESERT GLASS TEKTITE – SAHARA

Libyan Desert Glass Libyan Desert Glass is a gemstone with a truly cosmic pedigree. Only a few years ago, it was discovered that the carved scarab at the center of Tutankhamun’s breastplate was not chalcedony, but this extremely rare tektite. I had been collecting tektites for years and knew exactly how difficult it is to get your hands on this amazing material, which lies buried in the shifting sands between Egypt and Libya. But then, I hit the jackpot—I managed to get in contact with a German whose grandfather had been stationed in Egypt during WWII and had brought back some "strange stones." I was able to purchase a quantity of this rare treasure and have faceted a few myself... they are absolute beauties! It is a stone that feels like captured sunlight, carrying the energy of a celestial event that occurred millions of years ago. The Heritage & Discovery Historical Significance: This material holds a legendary place in human history, once adorning the Pharaohs of Ancient Egypt as a symbol of the sun's power. Geologically, it is a "tektite"—natural glass formed nearly 29 million years ago. While its exact origin was debated for decades, it is now widely accepted to be the result of a massive meteorite impact or airburst that melted the Saharan sand into liquid silica, which then cooled into these translucent gold droplets. In the world of fine gems, it represents the ultimate "impactite," standing as a bridge between the geology of our desert and the violent mysteries of outer space. Discovery: While it was used in antiquity, the glass was "rediscovered" by the modern scientific world in 1932 by Patrick Clayton. For nearly a century, it remained a mystery of the Great Sand Sea. Its scientific identity as a nearly pure silica glass ($98\%$ SiO₂) makes it one of the purest natural glasses on Earth, outshining common obsidian or even other tektites like Moldavite in its chemical simplicity and vibrant color. Important Sources: The only source for this material is the Great Sand Sea of the Eastern Sahara, straddling the border between western Egypt and eastern Libya. It is found scattered across the wind-swept dunes in a remote, desolate region that is incredibly difficult to access. I prioritize the material with the highest transparency and the "frosted lemon" hue for the vault, as these pieces capture the most light and reveal the fascinating internal "flow lines" created during their high-heat birth. Mineralogical Profile Description: Libyan Desert Glass is an impactite glass (tektite) composed almost entirely of molten silica. It sits at a 6.5 to 7 on the Mohs scale, making it a very durable and stable material that is excellent for faceting and daily wear. It is characterized by its vitreous luster and its beautiful range of pale yellow, honey-gold, and lime-green hues. One of its most identifying traits is its internal world; under magnification, you can often see tiny bubbles, "lechatelierite" (high-temperature molten quartz), and dark streaks of meteoric dust. It has a low refractive index ($n \approx 1.46$), similar to Opal, which gives faceted stones a soft, ethereal glow rather than a sharp, metallic fire. Because it is an amorphous glass (non-crystalline), it features a perfect conchoidal fracture. When I facet these beauties, I aim to preserve the "liquid" feel of the stone, allowing the 29-million-year-old desert sun to shine through every facet. It is a dense, high-purity glass that remains one of the most romantic and sought-after rarities in the world of specialized mineral collecting. Chemical Composition: Approximately 98% SiO₂ (Silica) with trace amounts of Al₂O₃, Fe₂O₃, and meteoric components like Iridium.