NWA 7634, carbonaceous chondrite

This ~850 gram carbonaceous chondrite is something of an enigma.  The original classification was “CO3,” with a description that described it as …

NWA 7806, CO3

This complete stone has a wonderful shape and is quite fresh.  More data when it comes…

Northwest Africa 7892, CO3.0

This stone is one of the most pristine chondrites known. All carbonaceous and ordinary chondrites have experienced some thermal and aqueous alteration.  …