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For sale is a lot of rare pairings of the Bechar 003/006 Lunar feldspathic breccia Meteorite. The lot weighs 15 grams in total. The pieces that you receive will be chosen at random, but will be small (up to 1.5g).
Found in: Bechar, Algeria.
Find: 2022 Mar 24.
History:
Many small, similar-appearing stones were found together in Algeria on March 24, 2022, by a team represented by David Lehman. Some of the material was also acquired by John Higgins and Jasper Spencer.
Physical characteristics:
The stones (total 1522 g) lack fusion crust and have light brown weathered exteriors. Fresh interiors are medium gray with diffuse small white clasts and rare tiny metal grains visible.
Petrography:
(A. Irving, UWS and P. Carpenter, WUSL) Electron microprobe analyses were conducted on small slices from four separate stones. Although there is some mineralogical and compositional heterogeneity among these pieces, all consist of mineral clasts of calcic plagioclase (predominantly anorthite but also some sodic bytownite), olivine, low-Ca pyroxene and augite within a very fine grained, sparsely microvesicular matrix containing Ti-chromite, troilite, kamacite and minor secondary barite.
Geochemistry:
Calcic plagioclase (An70.7-97.7Or1.1-0.0, N = 12), olivine (Fa22.9-49.5, FeO/MnO = 86-114, N = 14), low-Ca pyroxene (23.1-26.5Wo4.3-4.4, Fe)/MnO = 56-57, N = 2), pigeonite (Fs22.0-32.3Wo6.9-12.5, FeO/MnO = 52-61, N =7), augite (Fs11.9-19.4Wo35.8-38.6, FeO/MnO = 42-52, N = 5).
Classification:
Lunar (feldspathic breccia).
As a geologist and someone who has collected meteorites for many years, I can guarantee the authenticity of all of my specimens. If you have any questions, please feel free to contact me.
The specimen will be sent via a tracked and signed for service with full insurance.
