Classification: Porphyritic Olivine (PO), according to surface images apparently transition to BO, not so in section image

Size: 200 x 220 µm | Shape: roundish | Colour: grey/black

Crystalline structure: non-oriented crystals, oriented crystals

Metal differentiation: Fe/Ni bead, Fe/Ni droplet (<5 µm) (both visible only in section image)

(Chromite)

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