Classification: Porphyritic Olivine (PO)

Size: 160 x 173 µm | Shape: roundish | Colour: grey/black

Crystalline structure: non-oriented crystals

Magnetite: single crystals

Other surface properties: (porous)

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