This unique Pallasite specimen comes in a protective display case along with a business card sized COA. The number on the bottom of the white case corresponds with the number on the COA card. The COA is the original certificate of authenticity from the S. Tutorow collection. The S. Tutorow Collection. Contains some of the rarest meteorites on earth. S Tutorow is a respected meteorite supplier and author who upholds to the highest proviance standards in the world of Meteorites. And has contributed tremendously to the identification of meteorites from NWA. The S. Tutorow Collection can be found in museums across the globe from China to the United States.
Below is information copied from the "The Meteoritical Society" website........... ----------------------------------- Northwest Africa 7920 (NWA 7920)
Classification: Pallasite (Main group)
History: Purchased by Brahim Tahiri from a Moroccan hunter and sent to his partner Sean Tutorow for classification, 2012.
Physical characteristics: Dark brown irregular exterior, saw cut reveals rounded olivine grains, many 3-5 mm, also up to cm-size, set in a brown oxidized matrix.
Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows olivine surrounded and penetrated by a matrix of iron oxides or hydroxides. No primary Fe-Ni metal detected.
Geochemistry: (C. Agee and L. Burkemper, UNM) Olivine Fa13.2±0.9, Fe/Mn=45±3, n=5.
Classification: Pallasite, main group.
Specimens: 26.1 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass.
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