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| Northwest Africa 6594 | |||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 6594 This is an OFFICIAL meteorite name. Abbreviation: NWA 6594 Observed fall: No Year found: 2010 Country: (Northwest Africa) Mass:  3.05 kg | ||||||||||||||||||||||
| Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||
| Comments: | Approved 17 May 2011 | ||||||||||||||||||||||
| Writeup |
Writeup from MB 99:
Northwest Africa 6594 (NWA 6594) (Northwest Africa) Purchased: October 2010 Classification: HED achondrite (Eucrite) History: Purchased by Ke Zuokai from a meteorite dealer in Ouarzazatte. The stone is partially covered with fresh fusion crust. Petrography: Stone shows an ophitic to subophitic texture, consisting of pigeonite (46 vol%) and plagioclase (48 vol%) with minor silica (6 vol%) and opaque minerals (~1 vol%). Pigeonite (En34-35Fs57-63Wo3-9) has exsolved lamellae of augite (En28-30Fs31-38Wo33-40). Plagioclase is anorthitic (An88-90). Opaque minerals include chromite, ilmenite, iron sulfide, metal, and zircon. | ||||||||||||||||||||||
| Data from: MB99 Table 0 Line 0: |
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| Institutions and collections |
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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| Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) | ||||||||||||||||||||||