THMM406
Classification: Porphyritic Olivine (PO)
Size: 145 x 165 µm | Shape: roundish | Colour: grey/black
Crystalline structure: non-oriented crystals
Magnetite: single crystals, dendrites, Cr-rich
Surface properties: porous
Visible in section only: relict mineral
Locality: site #56 | rooftop, aeolian deposits | N 52.670800, E 7.301100 | Terrestrial age: 0-21 a