22289 - Rare NWA Unclassified Carbonaceous Chondrite Type CM 0.347g Amber Inclusions the other being bright green

the other being bright green malachite

But in the meantime we already have the first part

Fulgurites are homologous to Lichtenberg figures

See also Arkell et al

blackboard/sidewalk chalk

22289 - Rare NWA Unclassified Carbonaceous Chondrite Type CM 0.347g Amber Inclusions the other being bright greenBeautiful example of 0. 347g 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