火星の隕石（シェルゴッタイト、ポイキリティック）。Bir al Jahmah 002 希少な角閃石を含む。 - 1.26 g
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Martian meteorite (shergottite, poikilitic) Bir al Jahmah 002 from Ajdabiya, Libya, contains rare augite and weighs 1.26 g.
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Description from the seller
Bir al Jahmah 002 (BaJ 002) 31.198787, 21.878896
Ajdabiya, Libya
Purchased: 2026 Apr
Classification: Martian meteorite (Shergottite)
History: The meteorite was found by meteorite hunters during a search in the Bir al Jahmah DCA of Libya and subsequently purchased by Ali Muftha.
Physical characteristics: Many gray-light green fragments partly covered with fresh black fusion crust. Several vesicles are exposed at the surface.
Petrography: The meteorite is composed of up to 5 mm-sized pigeonite crystals with pronounced Ca-rich rims often enclosing smaller olivine chadacrysts set in a microgabbroic matrix dominated by ferroan olivine (about 38 vol%), finely exsolved pigeonite (about 34 vol%), maskelynite (about 26 vol%), and rare augite. Olivines frequently contain magmatic inclusions. Minor phases (about 2 vol%) include merrillite, ilmenite, chromite, Ti-bearing chromite, and troilite. Contains shock melt pockets.
Geochemistry: Olivine chadacrysts: Fa35.5±0.4 (Fa35.0-36.3, FeO/MnO=46±1; n=7); pigeonite oikocrysts core: Fs24.8±0.1Wo8.2±0.1 (Fs24.7-25.1Wo8.1-8.2, FeO/MnO=26±1, n=7); augite oikocrysts rim: Fs17.1±0.2Wo33.7±0.1 (Fs16.9-17.4Wo33.4-33.8, FeO/MnO=23±1, n=7); olivine in matrix: Fa40.8±0.3 (Fa40.3-41.1, FeO/MnO=48±1; n=7); pigeonite in matrix: Fs30.2±0.6Wo10.2±1.1 (Fs29.3-31.1Wo8.7-11.6, FeO/MnO=28±1, n=7); augite in matrix: Fs18.5±0.3Wo32.4±0.6 (Fs18.2-18.9Wo31.7-33.2, FeO/MnO=24±1, n=7);maskelynite (An45.0-57.2Ab40.9-50.1Or1.9-4.9, n=7)
Classification: Martian (shergottite, poikilitic)
Shock stage: high.
Weathering grade: moderate.
Classifier: Ansgar Greshake.
This lot comes with certificate of authenticity.
Thanks for your interest.
Bir al Jahmah 002 (BaJ 002) 31.198787, 21.878896
Ajdabiya, Libya
Purchased: 2026 Apr
Classification: Martian meteorite (Shergottite)
History: The meteorite was found by meteorite hunters during a search in the Bir al Jahmah DCA of Libya and subsequently purchased by Ali Muftha.
Physical characteristics: Many gray-light green fragments partly covered with fresh black fusion crust. Several vesicles are exposed at the surface.
Petrography: The meteorite is composed of up to 5 mm-sized pigeonite crystals with pronounced Ca-rich rims often enclosing smaller olivine chadacrysts set in a microgabbroic matrix dominated by ferroan olivine (about 38 vol%), finely exsolved pigeonite (about 34 vol%), maskelynite (about 26 vol%), and rare augite. Olivines frequently contain magmatic inclusions. Minor phases (about 2 vol%) include merrillite, ilmenite, chromite, Ti-bearing chromite, and troilite. Contains shock melt pockets.
Geochemistry: Olivine chadacrysts: Fa35.5±0.4 (Fa35.0-36.3, FeO/MnO=46±1; n=7); pigeonite oikocrysts core: Fs24.8±0.1Wo8.2±0.1 (Fs24.7-25.1Wo8.1-8.2, FeO/MnO=26±1, n=7); augite oikocrysts rim: Fs17.1±0.2Wo33.7±0.1 (Fs16.9-17.4Wo33.4-33.8, FeO/MnO=23±1, n=7); olivine in matrix: Fa40.8±0.3 (Fa40.3-41.1, FeO/MnO=48±1; n=7); pigeonite in matrix: Fs30.2±0.6Wo10.2±1.1 (Fs29.3-31.1Wo8.7-11.6, FeO/MnO=28±1, n=7); augite in matrix: Fs18.5±0.3Wo32.4±0.6 (Fs18.2-18.9Wo31.7-33.2, FeO/MnO=24±1, n=7);maskelynite (An45.0-57.2Ab40.9-50.1Or1.9-4.9, n=7)
Classification: Martian (shergottite, poikilitic)
Shock stage: high.
Weathering grade: moderate.
Classifier: Ansgar Greshake.
This lot comes with certificate of authenticity.
Thanks for your interest.
Details
隕石の名前
Martian Meteorite (shergottite, poikilitic). Bir al Jahmah 002
隕石の種類
Contains rare augite.
付録
Do not reserve price.
重量
1.26 g
産地 (地域/都市)
Ajdabiya
原産国
Libya
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