NWA 12481 Eucrite Meteorite Part Slice weighing 1.38g
£18.00
In stock
NWA 12481 Eucrite Meteorite Part Slice weighing 1.38g
Comes in a foam padded Gem jar.
| Northwest Africa 12481 | |||||||||||||||||||||||||||||
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| Basic information | Name:Â Northwest Africa 12481 This is an OFFICIAL meteorite name. Abbreviation:Â NWA 12481 Observed fall:Â No Year found:Â 2018 Country:Â (Northwest Africa) Mass:Â 61.3 g |
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| Classification history: |
This is 1 of 23 approved meteorites classified as Eucrite-melt breccia. |
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| Comments: | Approved 27 Mar 2019 | ||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 108: Northwest Africa 12481 (NWA 12481) (Northwest Africa) Purchased: 2018 March Classification: HED achondrite (Eucrite, melt breccia) Petrography: Brecciated igneous rock with lithic and mineral clasts set in a melt rock matrix. Main minerals are pyroxene (both exsolved and not exsolved) and plagioclase. Accessory silica polymorph (to 100 µm), troilite, FeNi metal. Geochemistry: Pyroxene: low-Ca Fs57.4±2.0Wo4.7±2.5 (n=4), augite Fs27.1±0.8Wo42.8±0.8 (n=3), FeO/MnO=32.4±3.3 (n=7). Plagioclase An89.8Ab97Or0.5 (n=2). Classification: Eucrite-melt breccia. Specimens: Type specimen at CEREGE. Main mass with Kuntz. |
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| Data from: MB108 Table 0 Line 0: |
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