16.7 grams NWA 2828 Meteorite ( classified as EL-melt rock ) END CUT with a COA for Sale

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16.7 grams NWA 2828 Meteorite ( classified as EL-melt rock ) END CUT with a COA For Sale

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16.7 grams NWA 2828 Meteorite ( classified as EL-melt rock ) END CUT with a COA:
$8.99

Northwest Africa 2828Basic informationName:Northwest Africa 2828
This is an OFFICIAL meteorite name.
Abbreviation:NWA 2828
Observed fall:No
Year found:2005
Country:(Northwest Africa)
Mass:8.67 rock
This is 1 of 23 approved meteorites classified as EL-melt rock.
Comments:Approved 11 Jun 2006
Revised 1 Sep 2019: Reclassified by Rubin (2016)

Northwest Africa 2828

Mauritania or Algeria

Find: December 2005

Achondrite (aubrite)

History:Purchased in December 2005 by Greg Hupé from a Moroccan dealer in Tagounite.

Physical characteristics:Thirty-six pale gray to whitish stones lacking fusion crust with a total weight of 8672 g. Several stones have exterior light orange staining, and two stones contain one or two dark brown cross-cutting veins (1–2 mm wide) of magnetic, fine-grained iron oxide and hydroxide minerals.

Petrography:(A. Irving and S. Kuehner,UWS)Monomict microbreccia, which is mostly fairly uniform but contains sporadic small, rounded clasts (up to 4 mm across). Relatively fine but variable grain size (0.3–1.5 mm), and composed predominantly of bladed grains of essentially pure enstatite (exhibiting lamellar twinning) with ~15 vol% oligoclase, accessory altered troilite with fresh, subparallel exsolution blades of daubreelite, and sporadic rounded to ellipsoidal grains of graphite (up to 1.2 mm across). Small (<0.2 mm) lobate cavities partly filled with fine-grained calcite, silica, and an Fe-bearing mineral are present in the interior of even the freshest stones, and may represent former oldhamite grains. Small grains found as inclusions within enstatite are fresh Ti-free troilite, pure Mn-alabandite, daubreelite, fresh oldhamite (some Mn-bearing), schreibersite, and very rare specks of kamacite and taenite. Minor barite and calcite are present, probably the products of terrestrial weathering.

This material is very solid, and displays nicely.I spend a great deal of time preparing these meteorites for your collection.

I 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 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 offerding so I can ship everything in one package. Pleasetake your time anddon\'tpay for up to 2 weeks.

Shipping includes tracking and delivery confirmation.

I am amember of the awesomeGlobal Meteorite Association#GMA0021

Please 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