"NWA 14917" Diogenite (Polymict) HED Achondrite Meteorite - 20,38 g - Thick unpolished slice TYPE/OFFICIAL NUMBER (Meteoritical Bulletin): "NWA 14917" HED Achondrite Diogenite polymict FALL/FIND LOCATION: Northwest Africa WEIGHT: 20,38g (unpolished slice) SIZE: 7,3 x 4,5 x 0,28 cm REF.: S275 Northwest Africa 14917 (NWA 14917) (Northwest Africa) Purchased: 2021 Sep Classification: HED achondrite (Diogenite, polymict) History: Purchased by Juan Avilés Poblador in September 2021 from an Algerian dealer. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia dominated by lithic clasts of diogenitic composition and related debris with vol.% eucrite material. Accessory phases include kamacite (relatively abundant, both fresh and altered), ilmenite, Ti-chromite and troilite. Geochemistry: Diogenitic orthopyroxene (Fs22.5-25.4, FeO/MnO = 32, N = 2; Fs30.9-33.4, FeO/MnO = 29-31, N = 4), eucrite low-Ca pyroxene (Fs41.2Wo3.0, FeO/MnO = 22), augite (Fs13.7-17.2Wo44.1-43.2, FeO/MnO = 20-24, N = 3), plagioclase (An88.8-92.0Or0.5-0.3, N = 3). Classification: Diogenite (polymict breccia). The authenticity of this specimen is guaranteed by the geologist Juan A. Poblador, member of International Meteorite Collectors Association IMCA 5681 and Global Meteorite Association G0043. Also, Im the official main mass holder of this meteorite. All our meteorites come with Certificate of Authenticity. Every week, the issued Certificates of Authenticity are updated in our website database verification system. If you find that your certificate has not yet been updated, please contact us and we will update it immediately. Display box included. IMPORTANT SHIPPING INFORMATION: All shipments to the USA are sent via UPS Express. We are not responsible for any additional tariff charges that US Customs may add as import fees on the declared commercial value.