prismatic crystals

Its dimensions are 114X93X56 mm

Dimensions:  158x114x69 mm / 6

and typically forms six-sided prismatic crystals with a pointed termination

Name: Bladed Kyanite

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