編號 106598792

已出售
罕见的LL7型普通球粒陨石切片 NWA 14501 - 4.41 g - (1)
最終出價
€ 30
沒有保留價
3 週前

罕见的LL7型普通球粒陨石切片 NWA 14501 - 4.41 g - (1)

Northwest Africa 14501 (NWA 14501) (Northwest Africa) Purchased: 2021 Classification: Ordinary chondrite (LL7) History: The meteorite was purchased from a meteorite dealer in Morocco. Physical characteristics: Grayish rock largely covered with fusion crust. Petrography: The meteorite exhibits a recrystallized texture with abundant triple junctions between adjoining minerals. Feldspar often poikilitically encloses rounded to subrounded low-Ca pyroxene and olivine grains. Many Ca-pyroxene grains show low-Ca pyroxene exsolution lamellae and many albitic feldspar grains contain fine lamella-shaped K-feldspar exsolutions. Accessory phases include minor FeNi metal and troilite grains, low-Ti chromite, and Cl-apatite. A single relict chondrule was detected in the section studied. The meteorite contains shock melt rock veins. Geochemistry: olivine: Fa30.4±0.2 (Fa30.2-30.7, n=7); low-Ca pyroxene: Fs24.8±0.1Wo1.9±0.2 (Fs24.7-25.0Wo1.6-2.1, n=7); Ca-pyroxene: Fs10.9±0.1Wo41.5±0.4 (Fs10.8-11.0Wo41.0-41.9, n=3); feldspar: An11.6±0.1Ab82.7±0.6Or5.7±0.6, n=5 As members of the IMCA (International Association of Meteorite Collectors), we guarantee the authenticity of all our pieces.

編號 106598792

已出售
罕见的LL7型普通球粒陨石切片 NWA 14501 - 4.41 g - (1)

罕见的LL7型普通球粒陨石切片 NWA 14501 - 4.41 g - (1)

Northwest Africa 14501 (NWA 14501)

(Northwest Africa)

Purchased: 2021

Classification: Ordinary chondrite (LL7)

History: The meteorite was purchased from a meteorite dealer in Morocco.

Physical characteristics: Grayish rock largely covered with fusion crust.

Petrography: The meteorite exhibits a recrystallized texture with abundant triple junctions between adjoining minerals. Feldspar often poikilitically encloses rounded to subrounded low-Ca pyroxene and olivine grains. Many Ca-pyroxene grains show low-Ca pyroxene exsolution lamellae and many albitic feldspar grains contain fine lamella-shaped K-feldspar exsolutions. Accessory phases include minor FeNi metal and troilite grains, low-Ti chromite, and Cl-apatite. A single relict chondrule was detected in the section studied. The meteorite contains shock melt rock veins.

Geochemistry: olivine: Fa30.4±0.2 (Fa30.2-30.7, n=7); low-Ca pyroxene: Fs24.8±0.1Wo1.9±0.2 (Fs24.7-25.0Wo1.6-2.1, n=7); Ca-pyroxene: Fs10.9±0.1Wo41.5±0.4 (Fs10.8-11.0Wo41.0-41.9, n=3); feldspar: An11.6±0.1Ab82.7±0.6Or5.7±0.6, n=5



As members of the IMCA (International Association of Meteorite Collectors), we guarantee the authenticity of all our pieces.

最終出價
€ 30
沒有保留價

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