Shatter Cone Impactite | 19.6 grams | Rochechouart Impact Structure | Montoume, France | SO24 Prasiolite Name: Apophyllite and Prehnite Cluster

Name: Apophyllite and Prehnite Cluster Crystal

Specimen Size:  Thumbnail-Sized  Dimensions:   Specimen 35x24x17 mm / 1

Note: There is a natural fracture in the middle of the specimen which comes from the event that created it

7 Grams / 3

Shatter Cone Impactite | 19.6 grams | Rochechouart Impact Structure | Montoume, France | SO24 Prasiolite Name: Apophyllite and Prehnite ClusterThis is a fantastic shatter cone from Montoume France weighing 19. 6 grams and measuring 45x27x16 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. This particular specimen from Montoume is classified as subvolcanic dike rock. Shatter cones are rare geological features that are only