Classification: Porphyritic Olivine (PO)

Size: 142 x 149 µm | Shape: roundish | Colour: grey/black

Crystalline structure: non-oriented crystals

Metal differentiation: escape hole from metal bead

Magnetite: single crystals, dendrites

Locality: site #61 | rooftop | N 52.534008, E 13.514426 | Terrestrial age: 21 d