Fatia de troctolítico lunar de Adrar Emparelhado com NWA 15482 - 2.6 g - (1)
N.º 83879343
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€ 45
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Fatia da Lua sem preço de reserva NWA 16173 (brecha feldspática de meteorito) - 2.7 g - (1)
History: The meteorite was purchased from a meteorite dealer in Ouargla, Algeria.
Physical characteristics: Grayish rock lacking fusion crust.
Petrography: The meteorite is a fragmental breccia predominantly composed of up to 2.5 mm sized lithic clasts (anorthosites, noritic anorthosites, and melt clasts) plus up to 600 µm sized mineral fragments a fine-grained feldspathic matrix. Dominant minerals are anorthosite, olivine, low-Ca-pyroxene, pigeonite, and augite. Minor phases include fayalite, ilmenite, chromite, troilite, and rare FeNi metal.
Geochemistry: olivine: Fa20.6±0.1 (Fa20.5-20.8, FeO/MnO=79±4; n=7); zoned olivine: Fa27.5±1.5 (Fa26.1-29.7, FeO/MnO=90±9; n=7); ferroan olivine: Fa55.4±0.2 (Fa55.1-55.7, FeO/MnO=89±3; n=7); fayalite: Fa91.5±0.1 (Fa91.4-91.7, FeO/MnO=78±4; n=7); low-Ca pyroxene: Fs18.7±0.2Wo3.1±0.3 (Fs18.5-19.0Wo2.8-3.5, FeO/MnO=51±4, n=7); pigeonite: Fs39.6±1.0Wo16.2±0.6 (Fs38.6-41.8Wo15.5-17.6, FeO/MnO=55±4, n=7); augite: Fs17.3±0.3Wo43.0±0.3 (Fs16.8-17.7Wo42.6-43.6, FeO/MnO=50±2, n=7); calcic plagioclase: An96.3±0.4 (An95.9-97.3, n=7)
N.º 83879343
Vendido
Fatia da Lua sem preço de reserva NWA 16173 (brecha feldspática de meteorito) - 2.7 g - (1)
History: The meteorite was purchased from a meteorite dealer in Ouargla, Algeria.
Physical characteristics: Grayish rock lacking fusion crust.
Petrography: The meteorite is a fragmental breccia predominantly composed of up to 2.5 mm sized lithic clasts (anorthosites, noritic anorthosites, and melt clasts) plus up to 600 µm sized mineral fragments a fine-grained feldspathic matrix. Dominant minerals are anorthosite, olivine, low-Ca-pyroxene, pigeonite, and augite. Minor phases include fayalite, ilmenite, chromite, troilite, and rare FeNi metal.
Geochemistry: olivine: Fa20.6±0.1 (Fa20.5-20.8, FeO/MnO=79±4; n=7); zoned olivine: Fa27.5±1.5 (Fa26.1-29.7, FeO/MnO=90±9; n=7); ferroan olivine: Fa55.4±0.2 (Fa55.1-55.7, FeO/MnO=89±3; n=7); fayalite: Fa91.5±0.1 (Fa91.4-91.7, FeO/MnO=78±4; n=7); low-Ca pyroxene: Fs18.7±0.2Wo3.1±0.3 (Fs18.5-19.0Wo2.8-3.5, FeO/MnO=51±4, n=7); pigeonite: Fs39.6±1.0Wo16.2±0.6 (Fs38.6-41.8Wo15.5-17.6, FeO/MnO=55±4, n=7); augite: Fs17.3±0.3Wo43.0±0.3 (Fs16.8-17.7Wo42.6-43.6, FeO/MnO=50±2, n=7); calcic plagioclase: An96.3±0.4 (An95.9-97.3, n=7)
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