Description
On offer: a 0.224g fragment.
Dimensions: ~9 x 6 mm
What you get: this 0.224g fragment, a plastic box with label at the back, a signed Certificate of Authenticity.
Type: CK5 chondrite
Country: Sahara
Date of find: 2016
Total mass: 100.8 g
Northwest Africa 10651 (NWA 10651)
(Northwest Africa)
Purchased: 2016 Jan
Classification: Carbonaceous chondrite (CK5)
History: Purchased in January 2016 by Fabien Kuntz from Steve Arnold (Chicago), who had acquired the stone from a Moroccan source.
Petrography: (A. Irving and S. Kuehner, UWS) Sparse chondrules (apparent diameter up to 1.6 mm) set in a recrystallized matrix containing abundant orange-stained Cr-rich magnetite.
Geochemistry: Olivine (Fa34.7-35.6, FeO/MnO = 106-111, N = 3), clinopyroxene (Fs8.3-8.7Wo47.5-48.5, N = 3).
Classification: Carbonaceous chondrite (CK5).
Specimens: 20.08 g including one polished thin section at PSF; remainder with Kuntz.
