NWA 14713 Mars 0.72g Slice of Martian Lherzolitic Shergottite Meteorite

Description

Item for auction is a
0.72g
partial slice of NWA 14713 martian lherzolitic (also known as perioditic) shergottite meteorite, which was found in late 2020 and purchased by Mark Lyon from a Northwest African dealer The meteorite consists of three identical appearing stones with green-black mottled exterior, from which saw cuts reveal a coarse cumulate interior dominated by light and dark colored crystals. Petrography performed by A. Ross, UNM; D. Dickens, NMMS; C. Agee, UNM) report that examination of a polished microprobe mount and image analysis using ImageJ shows ~25% igneous-zoned olivine, ~35% igneous-zoned pyroxene and ~35% maskelynite, with opaques making up the remainder. Chromite, ilmenite, merrillite, and troilite were detected.
Geochemistry: (A. Ross, UNM) Olivine Fa35.4±2.8 Fe/Mn=49±3, n=10; Pigeonite Fs25.7±3.2Wo9.2±2.4, Fe/Mn=29±2, n=8; augite Fs16.5±1.0Wo34.6±1.3, Fe/Mn=26±3, n=3; plagioclase An54.8±1.2Ab43.9±1.2, Or 1.3±0.2, n=5. Classification: Martian lherzolitic shergottite. This extraordinary specimen comes in a quality display box along with a
Big Kahuna Meteorites Certificate of Authenticity / Specimen Card. 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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