22290 - Rare NWA Unclassified Carbonaceous Chondrite Type CM 0.303g

Beautiful example of 0.303g of this rare type of Carbonaceous Chondrite CM.

The authenticity of this specimen is guaranteed by the geologist Juan Avilés 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 represent only a small proportion (4.6%) of meteorite falls.