These inclusions can vary in density

This is a beautiful specimen of Holmquistite from Barraute

Comes with two specimen cards from the Canagem Collection and The Hupé Collection

Weight:   104

while also promoting clarity

Libyan Desert Glass | Natural Impact Glass | 18 Grams | Authentic Impactite Vanadinite These inclusions can vary inThis is a rare and fantastic 18 gram Libyan Desert Glass from Kuffra, Libya, with dimensions of 44x25x19 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