Libyan Desert Glass | Natural Impact Glass | 7.8 Grams | Authentic Impactite NWA 267 fibrous crystals that are both

fibrous crystals that are both bendable and fragile

Its dimensions are 42x40x20 mm

Weight: 427 grams / 15

metallic luster and gray color led scientists to mistakenly believe it was a lead mineral

This specimen was etched to show its unique widmanstatten pattern

Libyan Desert Glass | Natural Impact Glass | 7.8 Grams | Authentic Impactite NWA 267 fibrous crystals that are bothThis is a rare and fantastic 7. 8 gram Libyan Desert Glass from Kuffra, Libya, with dimensions of 30x20x14 mm. Although its exact origin is still debated, the leading theory suggests it was formed by a high energy event, such as a meteoric impact or airburst, that melted the desert sand directly where it lay, without being ejected into the atmosphere and re entering. This results in different physical characteristics compared to tektites. Libyan