-40%
NWA 8617 Howardite 6.52g Part Slice of Triple Lithology HED Meteorite
$ 46.99
- Description
- Size Guide
Description
Item for auction is a 1.53g slice of NWA 8617 Howardite achondrite meteorite that was found in September 2014 and purchased in November of the same year.A single 327g stone, with weathered exterior, partial fusion crust, broken surface reveals a fresh-looking breccia of fine-grained light and dark clasts set in light gray matrix. C. Agee’s Microprobe examination of a polished mount shows a highly brecciated texture with ~60% diogenitic pyroxenes, ~20% equilibrated cumulate eucrite pyroxenes, and ~20% equilibrated basaltic eucrite pyroxenes. Accessory Fe-Ni metal, troilite, chromite, silica, and ilmenite throughout. This meteorite consists of Diogenite orthopyroxene Fs28.1±2.7Wo2.5±0.7, Fe/Mn=32±2, n=24; cumulate eucrite low-Ca pyroxene Fs41.9±2.1Wo4.1±1.4, Fe/Mn=27±1, n=5, cumulate eucrite augite Fs23.9Wo29.7, Fe/Mn=29, n=1; basaltic eucrite low-Ca pyroxene Fs53.7±4.4Wo6.3±2.8, Fe/Mn=28±2, n=3; basaltic eucrite augite Fs29.4±3.0Wo39.3±2.8, Fe/Mn=32±1, n=5; olivine Fa35.4, Fe/Mn=54, n=1; plagioclase An87.8±4.5Ab11.5±4.2Or0.7±0.3, n=14. NWA 8617 is classified as an Achondrite (howardite) with three lithologies: 1) diogenite, 2) equilibrated cumulate eucrite, 3) equilibrated basaltic eucrite. Low weathering grade, high shock stage.
This is meteorite comes in a quality labeled display case along with a Big Kahuna Meteorites Certificate of Authenticity. Scale cube in photo is 1cm on each side, and not included in sale. Big Kahuna combines shipping, and addresses must be in the English language, to facilitate customs input at US Postal Service. Non-English addresses cannot be shipped, and may incur additional fees for handling. We no longer ship to China or Italy.
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