THMM205
Classification: Cryptocrystalline (CC), microcrystalline (MC)
Size: 320 x 460 µm | Shape: roundish | Colour: grey/black
Crystalline structure: submicron crystallites, oriented crystals
Locality: site #51 | rooftop | N 52.470278, E 13.366278 | Terrestrial age: 0-16 a