流星石 霍华德岩 (HED)，Bechar 008. 无保留价。 - 22.42 g

Bechar 008 30.25293 N, 3.53005 W
Bechar, Algeria
Purchased: 2022 Jul

Classification: HED achondrite (Howardite)

History: 据报道，一群流星物质猎人在阿尔及利亚的一个名为 Alagla（靠近 Abadla）的地区于2022年7月发现了几块此材料的碎片。几个月后，Mohamed Ali Loud 从毛里塔尼亚的一家流星物交易商处购买了共计1700克。

Petrography (K. Metzler, IfP) Polymict achondritic breccia, consisting of mineral fragments and lithic clasts up to ~5 mm in size. These components are embedded in a fine-grained clastic matrix of related debris. Lithic clasts are dominated by eucritic gabbros and granulites, both of which show exsolved pyroxene. Mineral fragments include various eucritic pyroxenes (with and without augite exsolution lamellae), diogenitic pyroxene, feldspar, a silica polymorph, chromite, ilmenite, and Fe-Ni metal. About 10-20 vol% diogenitic components.

Shock stage: moderate
Weathering grade: low
Classifier: K. Metzler, IfP.
This lot has no reserve price and comes with a certificate of authenticity.
Thanks for your interest.