many man-made steels barely score a seven on the hardness scale

A very colorful and really beautiful specimen

Color: Rich Green

Dimensions: 68x67x27 mm / 2

Dimensions: 48x39x37 mm / 1

Libyan Desert Glass | Natural Impact Glass | 31 Grams | Authentic Impactite Aquamarine many man-made steels barely scoreThis is a rare and fantastic 31 gram Libyan Desert Glass from Kuffra, Libya, with dimensions of 45x41x25 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 Desert