陨石 NWA 15658 欧克瑞特 小行星维斯塔 分裂 - 119.7 g
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NWA 15658欧克里特小行星Vesta陨石分裂自撒哈拉，分切并抛光，带有熔融壳。
AI辅助摘要
卖家的描述
Meteorite, split and polished individual with some fusion crust and black schock vein from the Asteroide Vesta
Northwest Africa 15658
2022
Classification: HED achondrite (Eucrite, melt breccia)
Mass : 5845 g
Shock stage: high
Weathering grade: low
Physical characteristics: Dark grayish rock with some fusion crust
Petrography: Eucrite-melt breccia composed of up to 3 cm sized basaltic clasts and up to 500 µm sized mineral fragments in black shock melted matrix. Main minerals are exsolved pyroxenes and calcic plagioclase. The shock melt is mostly finely recrystallized and partly displays flow textures. Mineral grains entrained in the melt matrix often show resorption textures. Minor phases include silica, chromite, ilmenite, and FeS. No metallic iron detected.
endcut #1 - 55.3 g - 56 x 48 x 15 mm
endcut #2 - 64.4g - 57 x 48 x 17 mm
International meteorite collector association member number #3503
Meteorite, split and polished individual with some fusion crust and black schock vein from the Asteroide Vesta
Northwest Africa 15658
2022
Classification: HED achondrite (Eucrite, melt breccia)
Mass : 5845 g
Shock stage: high
Weathering grade: low
Physical characteristics: Dark grayish rock with some fusion crust
Petrography: Eucrite-melt breccia composed of up to 3 cm sized basaltic clasts and up to 500 µm sized mineral fragments in black shock melted matrix. Main minerals are exsolved pyroxenes and calcic plagioclase. The shock melt is mostly finely recrystallized and partly displays flow textures. Mineral grains entrained in the melt matrix often show resorption textures. Minor phases include silica, chromite, ilmenite, and FeS. No metallic iron detected.
endcut #1 - 55.3 g - 56 x 48 x 15 mm
endcut #2 - 64.4g - 57 x 48 x 17 mm
International meteorite collector association member number #3503
详细资料
陨石类型
Meteorite NWA 15658 Eucrite Asteorid Vesta splited
重量
119,7 g
国家
Sahara
