prismatic crystals

Clarke (Smithsonian Institution

This specimen comes with a Canagem specimen card

Size: 12x9

Will come with a Canagem and a Meteorpassion specimen cards and ships in a protective display specimen box

Libyan Desert Glass | Natural Impact Glass | 7.2 Grams | Authentic Impactite Chalcophanite prismatic crystalsThis is a rare and fantastic 7. 2 gram Libyan Desert Glass from Kuffra, Libya, with dimensions of 36x12x23 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