Classification: Cryptocrystalline (CC), microcrystalline (MC)

Size: 125 x 140 µm | Shape: roundish | Colour: grey/black

Crystalline structure: submicron crystallites, oriented crystals

Magnetite: (single crystals), dendrites

Locality: site #55 | rooftop | N 52.6906300, E 7.2859700 | Terrestrial age: 0-18 a