Meteorite, CV3, NWA unclassified, Carbonaceous chondrites, Certificated,Space buy Rock Museum Quality, Amazing Gift, Asteroid piece

Carbonaceous chondrites CV3, NWA unclassified

CV 0016

This specimen is about 56*35*2 mm weight 9,07 g.

Name: Northwest Africa buy
Abbreviation: NWA unclassified
Observed fall: No
Year found: 2021
Country: Morocco


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.

C chondrites contain a high proportion of carbon (up to 3%), which is in the form of graphite , carbonates and organic compounds, including amino acids. In addition, they contain water and minerals that have been modified by the influence of water. 
The carbonaceous chondrites were not exposed to higher temperatures, so that they are hardly changed by thermal processes. Some carbonaceous chondrites, such as the Allende meteorite, contain calcium-aluminum-rich inclusions (CAIs). These are compounds that emerged early from the primeval solar nebula, condensed out and represent the oldest minerals formed in the solar system .
Some primitive carbonaceous chondrites, such as the CM chondrite Murchison, contain presolar minerals, including silicon carbide and tiny nanometer-sized diamonds that apparently were not formed in our solar system. These presolar minerals were probably formed during the explosion of a nearby supernova or in the vicinity of a pulsating red giant (more precisely: a so-called AGB star ) before they got into the cloud of matter from which our solar system was formed. Such star explosions release pressure waves that can condense clouds of matter in their surroundings, leading to the formation of new ones, stars and solar systems.�



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