Classification: Porphyritic Olivine (PO)

Size: Ø 150 µm | Shape: roundish | Colour: grey/black

Crystalline structure: non-oriented crystals

Metal differentiation: Fe/Ni bead

Magnetite: single crystals, dendrites, Cr-rich

Surface properties: porous, signs of weathering

Visible in section only: relict mineral

Locality: site #51 | rooftop | N 52.470278, E 13.366278 | Terrestrial age: 0-16 a