Northwest Africa 14967 (NWA 14967) Ureilite Primitive achondrite meteorite Found in March 2022 in Algeria 4.28 grams GUARANTEED AUTHENTICITY The authenticity of this meteorite is 100% guaranteed with a signed certificate For peace of mind rest assured you are buying from the main mass holder. Ureilite meteorites are one of the most abundant sources of diamond in the Solar System. OFFICIAL CLASSIFICATION DATA SOURCE: Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Protogranular aggregate (mean grainsize ~0.3 mm) of olivine and pigeonite with accessory low-Ca pyroxene, subcalcic augite, graphite, kamacite and sulfides (Cr-troilite and daubreelite in exsolution relationship). Olivine grains have reduced magnesian rims containing fine blebby Fe metal (altered in part to Fe oxides). Geochemistry: Olivine cores (Fa11.7-21.7, Cr2O3 0.59-0.77 wt.%, CaO 0.32-0.34 wt.%, N = 3), olivine rims (Fa1.3-3.6, N = 3), pigeonite (Fs16.4-18.6Wo6.8-7.1, Al2O3 0.64-0.93 wt.%, Cr2O3 1.0-1.1 wt.%, TiO2 0.06-0.09 wt.%, N = 4), low-Ca pyroxene (Fs2.6Wo1.3; Fs7.5Wo4.5; N = 2), subcalcic augite (Fs3.4Wo28.6). Classification: Ureilite.