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84g GRIZIM 003 Pallasite Meteorite
Top Meteorite
- $2,384.00
On Offer: 84g nice individual of the pallasite meteorite Grizim 003.
Official Name: Grizim 003
Type: Pallasite, PMG
Date: 2022
Country: Adrar, Algeria.
The Grizim 003 meteorite is a beautiful example of a pallasite with a potentially interesting formation history. Instead of unaltered iron-nickel metal (kamacite and taenite), the non silicate components of this pallasite are iron-oxides (likely magnetite and associated oxides) which are usually a sign of significant terrestrial weathering. However, this level of terrestrial oxidation also tends to significantly alter the silicates (usually olivine in the case of pallasites). The olivine in the Grizim 003 pallasite appear to be in relatively pristine condition, leading some researchers to speculate the iron-oxides may have formed in situ (indogenously) on its parent asteroid or possibly prior to that, before or during the impact that mixed the silicates and metal (or in this case possibly already converted iron-oxides). This is highly speculative and so far no hard evidence of this has been put forward by researchers. However, the conversion of native iron and iron-nickel alloys into iron-oxides such as magnetite (as opposed to rust), typically requires a low oxygen and low moisture environment, which arguably offers some anecdotal support to the hypothesis that the iron-oxides in the Grizim 003 pallasite may have formed indogenously on its parent asteroid or during the collision that created its parent body.
What you get: Grizim 003 Pallasite meteorite individual as shown & signed Certificate of Authenticity.
We offer a 100% no questions asked 30 day return policy.
SEE OFFICIAL METEORITICAL BULLETIN DATABASE ENTRY BELLOW
Grizim 003
Status: Official
| Basic information |
Name: Grizim 003 This is an OFFICIAL meteorite name.
|
|---|---|
| Classification history: |
Meteoritical Bulletin, MB 113 (2025): Pallasite, PMG Recommended: Pallasite, PMG This is 1 of 78 approved meteorites ) (plus 1 unapproved name) classified as Pallasite, PMG. |
| Comments: |
Approved 26 Jun 2024 |
| Writeup |
Writeup from MB 113: Grizim 003 25.00412N, 2.53711W Adrar, Algeria Find: 2022 Classification: Pallasite (Main group) History: Reportedly this material was found in 2022 in Algeria, and acquired by Mohamed Ali Loud in April 2024. Petrography: (K. Metzler, IfP) Subrounded olivine grains with sizes up to ~1 cm, embedded in ~40 vol% iron oxides/hydroxides, which also occur as crosscutting veins in olivine. Only traces of unaltered metal were found, containing ~5 wt.% Ni. Schreibersite grains up to 3 mm occur. Geochemistry: Mineral compositions and geochemistry: Mean olivine composition: Fa13.1±0.2 (Fa12.8-13.3); Fe/Mn (at.): 45.4; n=10. Classification: Pallasite (main group), based on texture, grain size of olivine and olivine composition. |
| Data from: MB113 Table 0 Line 0: |
State/Prov/County: Adrar Date: 2022 Latitude: 25.00412N Longitude: 2.53711W Mass (g): 730 Pieces: Many Class: Pallasite, PMG Shock stage: Low Weathering grade: High Fayalite (mol%): 13.1±0.2 Classifier: K. Metzler, IfP Type spec mass (g): 20 |
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