NWA 4587 Meteorite Thin Section
10x/0.25, achondrite, LMScope, Nikon D810, northwest africa, polarized, scope2, zerene stacker

NWA 4587 Meteorite Thin Section

NWA 4587 Meteorite Thin Section

NWA 4587 Meteorite Thin Section

The NWA 4587 meteorite makes a colorful polarized thin section. The unique intergranular recrystallized plagioclase texture gives it a spectacular appearance. This is the second example of this meteorite — see here for the first.

NWA 2976 Anomalous Achondrite

NWA 4901 Ungrouped Achondrite

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NWA 10203 Meteorite Thin Section
4x/0.25, breccia, LMScope, lunar, Nikon D810, northwest africa, polarized, scope2, zerene stacker

NWA 10203 Meteorite Thin Section

NWA 10203 Meteorite Thin Section

NWA 10203 Meteorite Thin Section

This thin section of NWA 10203 shows a wide range of fascinating features. As described on the Meteoritical Bulletin, this lunar breccia contains four lithologies:

1. Unbrecciated olivine gabbro with zoned clinopyroxene.
2. Fragmental anorthositic gabbro breccia.
3. Fragmental gabbroic breccia with approximately equal proportions of plagioclase, pyroxene and olivine.
4. Shock melt veins and pools.

There appears to be a least two of these lithologies in this specimen.

More information on the meteorite and its pairings: Northwest Africa 10149 clan.

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NWA 8716 "Jrifiya" Meteorite Thin Section
4x/0.25, LMScope, mars, Nikon D810, northwest africa, polarized, scope2, zerene stacker

NWA 8716 Meteorite Thin Section

NWA 8716 "Jrifiya" Meteorite Thin Section

NWA 8716 “Jrifiya” Meteorite Thin Section

Northwest Africa 8716, a.k.a. Jrifiya, is a brownish-yellow colored shergottite. In cross polarized light, the same brownish-yellow hue prevails and there are numerous phenocrysts which display beautiful zoning patterns.

Original slice (photos courtesy of ebay seller redfoxbat0):

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