Common colors include clear

can form depending on formation conditions

Size:   13

Name:  Adamite Crystals on Limonite Matrix

Tektite is interesting because of the persistent mystery that resisted clear explanations of there creation for generations of geologists

Shatter Cone Impactite | 31.57 grams | Rochechouart Impact Structure | Montoume, France | SO24 Picture Jasper Common colors include clearThis is a fantastic shatter cone from Montoume France weighing 31. 57 grams and measuring 42x33x21 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