Classification: Porphyritic Olivine (PO)

Size: 130 x 135 µm | Shape: roundish | Colour: grey/black

Crystalline structure: (non-oriented crystals)

Magnetite: single crystals, (dendrites)

Interior: relict minerals (remnants)

Locality: site #61 | rooftop | N 52.534008, E 13.514426 | Terrestrial age: 35 d