流星陨石 霍华德石 HED，Bechar 008。 无保留价。 - 28.81 g

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

Classification: HED achondrite (Howardite)

History: Reportedly a group of meteorite hunters found several fragments of this material in Algeria, in an area called Alagla (near Abadla) in July 2022. Several months later Mohamed Ali Loud bought a total of 1700 g from a meteorite dealer in Mauritania.

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.