u/DurianHistorical6730

Picked this up from azmeteorites! 1.16g

Amgala 001 26.014°N, 11.020°W

Saguia el Hamra, Western Sahara

Purchased: 2022 Dec

Classification: Martian meteorite (Shergottite)

Physical characteristics: Weathered exterior surfaces of the stones are brown with a distinctive knobby appearance. Fresh interiors are greenish-gray with darker olivine phenocrysts visible.

Petrography: Zoned olivine phenocrysts (up to 2 mm in length) are set in a groundmass with variable grainsize composed predominantly of prismatic, zoned clinopyroxene and lath-like maskelynite, together with accessory alkali feldspar, pyrrhotite, ulvöspinel, chromite (with variable Ti content), ilmenite, baddeleyite and chlorapatite. Thin opaque shock veins crosscut the specimen as well as secondary calcite veinlets. Olivine phenocrysts contain small patches of alteration products (red-brown in thin section).

Classification: Shergottite (olivine-phyric)

I bought this coin in 2022 for $350, and I’m always paranoid about authenticity. I’m fairly confident it’s real, but I wanted to see if anyone had any thoughts.

So, I’m currently on vacation in Athens, and while atop the acropolis I found this under some dirt on the ground. The orange/red hue caught my eye, and I picked it up to find this. After some quick research and exploring the agora museum, I’ve found it could be a shard from the geometric period(roughly 900-700BC), which would be pretty incredible.

Does anyone know what to do? I’ll be in Greece for a few more days.