Product Type: Tourmaline

Size: 20x13

They can vary in size

Size:  17x11mm

as well as some loose blocks of the host limestone

Shatter Cone Impactite | 24.79 grams | Rochechouart Impact Structure | France | SO24 Fluellite Product Type: TourmalineThis is a fantastic shatter cone from France weighing 24. 79 grams and measuring 45x25x25 mm. Although not a meteorite, impactites and shatter cones are directly linked to them and their impacts. Shatter cones are evidence that the rock has been subjected to an extreme shock with very brief high pressures. Shatter cones are rare geological features that are only known to form in the bedrock beneath large meteorite impact craters. They have a