Nr. 102275155

Diogenit, polymiktisch. (olivinhaltig) NWA 17326. - 15.34 g
Nr. 102275155

Diogenit, polymiktisch. (olivinhaltig) NWA 17326. - 15.34 g
Northwest Africa 17326 (NWA 17326).
Purchased: 2024
Classification: HED achondrite (Diogenite, polymict)
History: Reportedly found by meteorite hunters in February 2024 in the Erg Chech area, Algeria.
Petrography (K. Metzler, IfP): Coarse-grained polymict achondritic breccia, consisting of mineral fragments and few lithic clasts, embedded in fine-grained related debris. Fragments mostly represent diogenitic pyroxene, intermingled with small amounts of eucritic lithologies (basalt clasts, eucritic breccia clasts). Accessories are a silica polymorph, Cr-spinel, and troilite. Diogenite component >90 vol%.
Classification: Polymict diogenite (olivine-bearing), based on texture, mineral chemistry, occurrence of admixed eucrite clasts and high abundance (>90 vol%) of diogenitic components.
Shock stage: U-S2
Weathering grade: Moderate
Classifier: K. Metzler, IfP.
This lot comes with certificate, thanks for your interest.
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