Shatter Cone Impactite | 14 grams | Rochechouart Impact Structure | France | SO24 Variscite This rare and unique piece

This rare and unique piece weighs 21

Dimensions: 112X65X63 mm / 4

51 grams - 10

top and back are covered with many sharp lustrous black tourmaline crystals that are in very good condition

The material left to pick from is mostly small specimen so one of this size is even more difficult to find

Shatter Cone Impactite | 14 grams | Rochechouart Impact Structure | France | SO24 Variscite This rare and unique pieceThis is a fantastic shatter cone from France weighing 14 grams and measuring 36x20x14 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 distinctively