編號 92388369
已出售
最終出價
€ 15
5 天前
原始無球粒隕石（Bracinite）的端切 NWA 15959 - 0.35 g - (1)
Northwest Africa 15959 (NWA 15959)
(Northwest Africa)
Purchased: April, 2023
Classification: Primitive achondrite (Brachinite)
History: The meteorite was purchased from a meteorite dealer in Temara, Morocco.
Physical characteristics: Many dark brownish fragments with some fusion crust.
Petrography: The meteorites shows a recrystallized equigranular texture with abundant triple junctions and is predominantly composed of olivine and subordinate Ca-pyroxene. Minor phases include Cl-apatite, chromite, FeS, and FeNi metal. No plagioclase detected.
Geochemistry: olivine: Fa29.2±0.1 (Fa29.0-29.3, FeO/MnO=56±3; n=7); Ca-pyroxene: Fs9.5±0.2Wo44.0±0.1 (Fs9.2-9.8Wo43.8-44.1, FeO/MnO=26±3, n=7)
編號 92388369
已出售
原始無球粒隕石（Bracinite）的端切 NWA 15959 - 0.35 g - (1)
Northwest Africa 15959 (NWA 15959)
(Northwest Africa)
Purchased: April, 2023
Classification: Primitive achondrite (Brachinite)
History: The meteorite was purchased from a meteorite dealer in Temara, Morocco.
Physical characteristics: Many dark brownish fragments with some fusion crust.
Petrography: The meteorites shows a recrystallized equigranular texture with abundant triple junctions and is predominantly composed of olivine and subordinate Ca-pyroxene. Minor phases include Cl-apatite, chromite, FeS, and FeNi metal. No plagioclase detected.
Geochemistry: olivine: Fa29.2±0.1 (Fa29.0-29.3, FeO/MnO=56±3; n=7); Ca-pyroxene: Fs9.5±0.2Wo44.0±0.1 (Fs9.2-9.8Wo43.8-44.1, FeO/MnO=26±3, n=7)
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