The Puerto Minguez ejecta refers to the impact ejecta from the 38 million years old twin (multiple) impact structure Azuara / Rubielos de la Cerida in Northern Spain

04 KG / 6 lbs 9 oz

weighing 11

parallel stacked groups and aggregates

Dimensions:  56x51x39 mm / 2

Libyan Desert Glass | Natural Impact Glass | 3.9 Grams | Authentic Impactite | SO24 Spade The Puerto Minguez ejecta refersThis is a rare and fantastic 3. 9 gram Libyan Desert Glass from Kuffra, Libya, with dimensions of 29x18x8 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