NWA 14003 H4
Northwest Africa 14003 (NWA 14003)
Purchased: 2020 Jan
Classification: Ordinary chondrite (H4)
History: Purchased in 2020 by Noreddine Azelmat from a meteorite dealer in Morocco.
Physical characteristics: Single stone with visible fusion crust.
Petrography: (D. Sheikh, Cascadia) This sample contains chondrules (450±150 µm, n=12) set in a fine-grained matrix with accesory Fe-Ni metal and troilite.
Geochemistry: Olivine (Fa18.2±0.4 ,range Fa17.7-19.3, n=18), Low-Ca Pyroxene (Fs16.3±0.6Wo1.1±0.6, range Fs15.3-17.1Wo0.4-2.1, n=11).
Classification: Ordinary chondrite (H4) based on Fa and Fs values, and on average chondrule diameter.
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