NWA 14714 Martian 0.84g SALE! Shergottite Slice From Planet Mars
Four identical appearing stones with desert weathered exteriors. Saw cut reveals a medium grained cumulate with light and dark crystals, with the darker crystals coinciding with areas that appear to be shock darkened. Numerous black shock melt pockets are present. Petrographical examination, performed by A. Agee, UNM, of a polished microprobe mount shows 50% igneous-zoned subcalcic augite and 45% maskelynite, with ubiquitous Ti-magnetite, ilmenite, merrillite, and troilite making up the remainder.
Geochemistry consists of Pigeonite Fs49.4±1.9Wo13.5±1.4, Fe/Mn=35±2, n=10; augite Fs28.0±5.6Wo32.7±1.4, Fe/Mn=31±3, n=10; plagioclase An53.6±0.7Ab45.4±0.8, Or 1.0±0.1, n=6. This specimen would make an awesome addition to any collection and comes in a quality labeled display case 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. Please have patience as your package will eventually get to you.