22291 - Rare NWA Unclassified Carbonaceous Chondrite Type CM 0.357g Onchopristis teeth collections shallow subtidal

shallow subtidal

Widmanstätten pattern not evident in the small sections studied

There is also present the rare genus Toletanaspis

and are considered to be living fossils

the Czech Republic (2)

22291 - Rare NWA Unclassified Carbonaceous Chondrite Type CM 0.357g Onchopristis teeth collections shallow subtidalBeautiful example of 0. 357g of this rare type of Carbonaceous Chondrite CM. The authenticity of this specimen is guaranteed by the geologist Juan Avils Poblador, member of International Meteorite Collectors Association (IMCA 5681). Carbonaceous chondrites or C chondrites are a class of chondritic meteorites comprising at least 8 known groups and many ungrouped meteorites. They include some of the most primitive known meteorites. The C chondrites