Description
CO3 chondrite
0.31g part slice
Sold in a collection box with label/certificate of authenticity
Northwest Africa 10393 (NWA 10393)
(Northwest Africa)
Purchased: 2015 Jun
Classification: Carbonaceous chondrite (CO3)
History: Purchased by Fabien Kuntz in June 2015 at the Ste. Marie-aux-Mines Mineral Show.
Petrography: (A. Irving and S. Kuehner, UWS) Small chondrules, angular mineral fragments and small, fine-grained CAI are set in a reddish-brown matrix (~40 vol.%).
Geochemistry: Olivine (Fa0.4-45.9, Cr2O3 in ferroan examples 0.02-0.06 wt.%, N = 7), orthopyroxene (Fs1.1-2.8Wo0.9-3.8, N = 3), clinopyroxene (Fs0.7-4.7Wo44.7-41.0).
Classification: Carbonaceous chondrite (CO3)
Specimens: 23.04 g including one polished thin section at PSF; main mass with Kuntz.
