NWA 14003 H4

Northwest Africa 14003 (NWA 14003)

(Northwest Africa)

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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