Lodranite 陨石。NWA 17905。 原始不整陨石 - 3.7 g

Northwest Africa 17905 (NWA 17905)\n摩洛哥\n\nClassification: Primitive achondrite (Lodranite)\n分类：原始不熔融陨石（洛德兰石）\n\n History: The meteorite was purchased by Mohamed Ali Loud in July 2025 from Mohamed Yahia Elyahyaoy in Morocco .\n历史：该陨石于2025年7月由Mohamed Ali Loud在摩洛哥从Mohamed Yahia Elyahyaoy处购买。\n\n Physical characteristics: Several brownish rocks with some fusion crust.\n物理特征：几块棕褐色岩石，带有一些熔融壳。\n\n Petrography: Protogranular aggregate predominantly composed of up to 700 µm sized olivine and low-Ca pyroxene grains with smaller and less abundant sodic feldspar and diopside. Some olivines show reduced rims often associated with FeNi-metal. Minor phases include whitlockite, Cl-apatite, Ti-free chromite, FeS, and partly altered FeNi-metal.\n岩光学：原生晶质聚合体，主体由直径达700 μm的橄榄石和低钙辉石晶粒组成，伴随较小且稀少的钠长石与辉石。部分橄榄石显示还原边缘，常与FeNi金属相关。微相包括白磷石、氯晶磷石、无Ti铬铁矿、FeS，以及部分风化的FeNi金属。\n\n Shock stage: low\nShock阶段：低\n Weathering grade: moderate\n风化等级：中等\n Classifier: A. Greshake, MNB\n鉴定者：A. Greshake, MNB\n\n This lot comes with certificate ofauthenticity, thanks for your interest.\n 此批次附有真实性证书，感谢您的关注。