Classification: Cryptocrystalline (CC), microcrystalline (MC)

Size: 109 x 113 µm | Shape: roundish | Colour: grey/black

Crystalline structure: submicron crystallites, (oriented crystals)

Magnetite: single crystals, dendrites

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