Description: Moroccan meteorite hunters went back to the area the main mass 2.81 kilo Lunar meteorite was found in 2014. They found many more small lunar individuals and fragments. Northwest Africa 8455Basic informationName: Northwest Africa 8455 This is an OFFICIAL meteorite name. Abbreviation: NWA 8455 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 2.81 kg Classification history:Meteoritical Bulletin: (2014) LunarRecommended: Lunar This is 1 of 82 approved meteorites classified as Lunar. Comments:Approved 23 Jun 2014 Northwest Africa 8455 (NWA 8455)(Northwest Africa)Purchased: 2014Classification: Lunar meteoriteHistory: Purchased from a Moroccan meteorite dealer in 2014.Physical characteristics: Single stone, no fusion crust, irregular exterior with desert patina, freshly broken surface and saw cut reveals a few scattered millimeter-sized white feldspar clasts set in a very dark gray groundmass.Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows this specimen to be a fragmental breccia composed of clasts (up to ~500 μm) of individual plagioclase, pyroxene, olivine grains, and also lithic clasts (up to ~1 mm) of gabbro and shock melt, set in a pervasive matrix of micrometer- to submicrometer-sized silicates. Accessory ilmenite, silica polymorph, chromite, phosphate, Fe-metal.Geochemistry: (C. Agee and N. Muttik). Olivine Fa26.6±3.5, Fe/Mn=100±9, n=28; pigeonite Fs26.2±6.2Wo8.7±4.4, Fe/Mn=58±5, n=22; augite Fs21.5±8.4Wo34.5±6.8, Fe/Mn=55±11, n=11; plagioclase An95.1±1.0Ab4.5±1.0Or0.4±0.1, n=4. Shock melt (proxy for bulk composition) SiO2=44.6±1.1, TiO2=0.59±0.53, Al2O3=26.1±3.2, Cr2O3=0.10±0.03, MgO=6.8±1.8, FeO=5.0±1.3, MnO=0.04±0.03, NiO=0.02±0.01, Na2O=0.69±0.20, K2O=0.19±0.04 (all wt%).Classification: Achondrite (lunar feldspathic breccia)Specimens: 20.5 g, including a probe mount is on deposit at UNM. J. Piatek holds the main mass. Place of purchase:MoroccoDate:P 2014Mass (g):2814Pieces:Class:LunarI will combine the cost of shipping for all the items you win during a 2 week period that are paid for in a single transaction. Please note. If items are paid for separately, they will be shipped separately due to eBay tracking reasons. Also, I ship items within 24 hours from the time of payment. Therefore, do not pay for any items until you are done bidding so I can ship everything in one package. Please take your time and don't pay for up to 2 weeks. Shipping includes tracking and delivery confirmation.I am a member of the awesome Global Meteorite Association #GMA0021Please only pay in one payment when you are all done. Postage is the same for all the items you win over a 2 week period. ONLY pay in ONE PAYMENT when you are all done winning and ready to buy everything you wanted. I mail out all items the same day or in the morning. Thanks, John Humphries, P.O. BOX 310, Tombstone, AZ 85638
Price: 58.99 USD
Location: Tombstone, Arizona
End Time: 2024-12-28T17:18:25.000Z
Shipping Cost: 6.49 USD
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Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Specimen Type: Display Specimens
