This is a "celebrity" from the Atlas of Micrometeorites (page 163).
Micrometeorite [NMM 1214] is a large (~0.3 millimeters) porphyritic olivine (PO) type with stripy texture (transitioning towards barred olivine) and aerodynamic form with lots of magnetite “Christmas tree” crystals on the surface. In the front there is one large olivine (forsterite) crystal with beautiful pyramidal termination. The stone was found 2018 0515 on the roof of Nordre Follo Ren, Viken, Norway. The stone is depicted in the Atlas of Micrometeorites one full page photo on page 163.
NMM 1214 - Nordre Follo
Top quality micrometeorite mounted on a signed microslide (cardboard/aluminum/glass). The stone is from Jon Larsen’s collection and is in pristine condition (no sign of weathering, low terrestrial age), complete and oriented.
The stone is a part of the collection found during the fourth season of micrometeorite findings/verification in populated areas (2018). The catalogue number refers to the NMM archive (the main index of Norwegian Micro Meteorites, Jon Larsen’s urban Stardust Collection), and the stone was found and curated by Jon Larsen.
VERIFICATION: The MM has been confirmed extraterrestrial by SEM/EDS analysis and visual identification by Jon Larsen, and is a verified micrometeorite, hereby confirmed in writing. The stone is delivered with this Certificate of Authenticity incl. classification, a signed label, plus one digital color photo by Jan Braly Kihle/Jon Larsen.