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Dimensions: 77x67x39 mm / 3x2
Clymenia (1) is a genus in the ammonoid order Clymeniida
This never classified North West Africa stone was found in the Sahara desert around 2000
8 km in diameter and is estimated to be 396-million year old (+ or - 20 million years)
Dimensions: 46x31x18 mm / 1
Shatter Cone Impactite | 7.8 grams | Rochechouart Impact Structure | France | SO24 H4 Chondrite Dimensions: 77x67x39 mm / 3x2This is a fantastic shatter cone from France weighing 7. 8 grams and measuring 29x23x15 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
