NWA 5693 Stony Iron Pallasite Meteorite Fragment weighing 1.86g
£22.00
In stock
NWA 5693 Stony Iron Pallasite Meteorite Fragment weighing 1.86g
| Northwest Africa 5693 | |||||||||||||||||||||||||||
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| Basic information | Name:Â Northwest Africa 5693 This is an OFFICIAL meteorite name. Abbreviation:Â NWA 5693 Observed fall:Â No Year found:Â 2007 Country:Â (Northwest Africa) Mass:  Â 70.7 g | ||||||||||||||||||||||||||
| Classification history: |
This is 1 of 59 approved meteorites classified as Pallasite.   [show all] | ||||||||||||||||||||||||||
| Comments: | Approved 31 Aug 2018 | ||||||||||||||||||||||||||
| Writeup | Writeup from MB 107: Northwest Africa 5693 (NWA 5693) (Northwest Africa) Purchased: 2007 Classification: Pallasite History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco. Physical characteristics: Brownish, strongly altered individual lacking any fusion crust. Petrography: The meteorite is composed of large up to 1 cm sized olivine crystals set into a matrix of iron oxides or hydroxides. Olivine is often crosscut by veins filled with brownish/reddish alteration products. No primary Fe-Ni metal was detected Geochemistry: Olivine: Fa13.1±0.1 (Fa12.9-13.4, FeO/MnO=32-46, n=19) Classification: Pallasite | ||||||||||||||||||||||||||
| Data from: MB107 Table 0 Line 0: |
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