[meteorite-list] Brachinites & NWA 4882

[drtanuki]

Greg and List,



> Greg,  Thank you for the offer.  I was unaware that you were

> selling it earlier at a discount rate.  The post today was

> the first that I heard that you had some new brachinite.   Beautiful

> meteorite!!!  Great Job on cutting and polishing it.

> Best Regards, Dirk...Tokyo

> 

> Nothing negative was meant by my post.  Sorry you felt so.

> 

> 

> --- On Tue, 12/2/08, Greg Hupe <gmhupe at htn.net>

> wrote:

> 

> > From: Greg Hupe <gmhupe at htn.net>

> > Subject: Brachinites & NWA 4882

> > To: drtanuki at yahoo.com

> > Cc: meteorite-list at meteoritecentral.com

> > Date: Tuesday, December 2, 2008, 10:18 AM

> > Hello Dirk and List,

> > 

> > Dirk, since you would like to promote brachinite

> material,

> > here is a little insight you may not be aware of:

> > 

> > NWA 4882 Brachinite (unpaired) - I have made private

> sales

> > several months PRIOR to Martin's public offering,

> at

> > much less than their great price per gram. I know MY

> > customers are very happy with their greatly discounted

> rate!

> > I simply do not have time to offer all of the

> different and

> > new meteorites I have at one time publicly, AND I am

> not

> > trying to interfer with their sales, but since Dirk

> brought

> > this out in what I perceive in a negative tone, here

> is one

> > heck of a Brachinite for serious collections:

> > 

> > Click here to view complete slice of NWA 4882

> measuring

> > 130mm wide!

> > 

> > http://www.lunarrock.com/nwa4882/nwa4882slice.jpg

> > 

> > 

> > 

> > Click here to view complete NWA 4882 stone before

> cutting:

> > 

> > http://www.lunarrock.com/nwa4882/nwa4882.jpg

> > 

> > 

> > 

> > Click here to view close-up of polished NWA 4882

> matrix:

> > 

> > http://www.lunarrock.com/nwa4882/nwa4882closeup.jpg

> > 

> > 

> > Official Classification:

> > Northwest Africa 4882

> > 

> > Algeria

> > 

> > Find: July 2007

> > 

> > Achondrite (brachinite)

> > 

> > History: Purchased by Greg Hupé in July 2007 from a

> dealer

> > in Tagounite, Morocco.

> > 

> > Physical characteristics: Two dense, dark brown,

> broken

> > rounded stones (2891 g and 206 g) with weathered

> fusion

> > crust on some original exterior surfaces and thin

> desert

> > varnish coatings on hackly broken surfaces.

> > 

> > Petrography: (A. Irving and S. Kuehner, UWS)

> Coarse-grained

> > rock (mostly 0.2-0.8 mm) with protogranular texture,

> > composed predominantly of olivine with subordinate

> green,

> > Cr-bearing diopside, K-poor plagioclase, chromite,

> iron

> > sulfide, and kamacite (partially altered to iron

> > hydroxides). Plagioclase is interstitial to mafic

> silicates

> > and is heterogeneous in distribution. Very

> fine-grained

> > (2-10 µm), polyphase assemblages composed mostly of

> > orthopyroxene, Ni-bearing pyrrhotite and Ni-free metal

> with

> > variable amounts of fayalite and chromite occur around

> > larger pyrrhotite grains within olivine, and also as

> small,

> > isolated apparent inclusions within olivine.

> > 

> > Geochemistry: Olivine (Fa35.0-35.2, FeO/MnO =

> 70.9-71.3),

> > clinopyroxene (Fs9.3Wo47.1, FeO/MnO = 38.6, Cr2O3 =

> 0.76wt%,

> > Al2O3 = 1.05 wt%), plagioclase (An32.1-

> 37.6Or0.3-0.5),

> > chromite [Cr/(Cr + Al) = 0.717, Mg/(Mg + Fe) = 0.239,

> TiO2 =

> > 0.71 wt%, ZnO = 0.30 wt%]. Oxygen isotopes: (D.

> Rumble, CIW)

> > Replicate analyses of acid-washed silicate material by

> laser

> > fluorination gave, respectively, δ18O = 2.064, 2.095;

> δ17O

> > = 4.368, 4.455; Δ17O = -0.234, -0.248 per mil.

> > 

> > Classification: Achondrite (brachinite).

> > 

> > Specimens: A total of 20.4 g of sample and one

> polished

> > thin section are on deposit at UWS. GHupé holds the

> main

> > mass (actually now in a private collection).

> > 

> > 

> > 

> > I sent this to a professional cutter who used a wire

> saw

> > and cut these at 3mm thick and polished to a high

> luster. If

> > you want a large museum quality specimen at an even

> BETTER

> > rate, be sure to contact me off list.

> > 

> > 

> > 

> > I have already placed over half of this material into

> large

> > collections, which only leaves 15 slices and the 206g

> > fragment. Half are the larger slices like the one

> featured

> > above.

> > 

> > 

> > 

> > Best regards,

> > Greg

> > 

> > ====================

> > Greg Hupe

> > The Hupe Collection

> > NaturesVault (eBay)

> > gmhupe at htn.net

> > www.LunarRock.com

> > IMCA 3163

> > ====================

> > Click here for my current eBay auctions:

> > http://search.ebay.com/_W0QQsassZnaturesvault

> > 

> > 

> > 

> > ----- Original Message ----- From:

> "drtanuki"

> > <drtanuki at yahoo.com>

> > To: <STARSANDSCOPES at aol.com>;

> > <meteorite-list at meteoritecentral.com>

> > Sent: Monday, December 01, 2008 7:38 PM

> > Subject: Re: [meteorite-list] NEW Olivine Diogenite -

> NWA

> > 4223 - AD

> > 

> > 

> > > Hello Tom and List,

> > >  I would suggest that you check out the fantastic

> NWA

> > 5471 brachinite that Martin and Stefan are selling for

> a

> > VERY REASONABLE price; more than 2 grams of the

> material

> > instead of a thin section (you can make your own thin

> > sections- several).

> > > 

> > >  Thank you Martin and Stefan for your very

> generous

> > price for such a rare classification.

> > > 

> > > Dirk Ross...Tokyo

> > > http://www.meteoritesjapan.com

> > > http://www.insekijapan.com

> > > 

> > > 

> > > 

> > > --- On Tue, 12/2/08, STARSANDSCOPES at aol.com

> > <STARSANDSCOPES at aol.com> wrote:

> > > 

> > >> From: STARSANDSCOPES at aol.com

> > <STARSANDSCOPES at aol.com>

> > >> Subject: Re: [meteorite-list] NEW Olivine

> > Diogenite - NWA 4223 - AD

> > >> To: meteorite-list at meteoritecentral.com

> > >> Date: Tuesday, December 2, 2008, 9:23 AM

> > >> Hi list members,  For those who are

> interested in

> > thin

> > >> sections.   Greg has

> > >> been kind enough to (previously) lend me the

> NWA

> > 3151

> > >> Brachinite  that he has

> > >> for sale.  My micrograph article in Meteorite

> > Times

> > >> December is on this thin

> > >> section.

> > >> 

> > >> I felt obliged to say it is a wonderful 

> sample

> > prepared

> > >> splendidly!  I

> > >> worked with it up to a magnification of 760X 

> with

> > great

> > >> results.  If you are

> > >> thinking of adding a thin to your 

> collection, I

> > would

> > >> recommend this one and check

> > >> out the article.  Bernd  Pauli has provided

> me

> > with three

> > >> excellent wide

> > >> field cross polarized light  micrographs that

> are

> > also

> > >> included.

> > >> 

> > >> Tom Phillips

> > >> 

> > >> In a message dated 12/1/2008 4:36:02 P.M.

> Mountain

> > >> Standard Time,

> > >> gmhupe at htn.net writes:

> > >> Dear List Members,

> > >> 

> > >> It is my  pleasure to announce a NEW Olivine

> > Diogenite, NWA

> > >> 4223, the third

> > >> member of  this exclusive group. It took me

> three

> > years to

> > >> get to this point

> > >> of first  public offering so you know the

> science

> > has been

> > >> done! It has a TKW

> > >> of just  329 grams and is very

> course-grained. I

> > managed

> > >> through eBay's site,

> > >> so you  can find all of the available

> material and

> > >> "Official" classification

> > >> of NWA  4223 with the "Buy it Now"

> > feature here:

> > >> 

> > >> http://search.ebay.com/_W0QQsassZnaturesvault

> > >> 

> > >> In addition to these  rare specimens, I have

> also

> > listed

> > >> these, most at

> > >> reduced prices for the  holidays:

> > >> NWA 1878 Mesosiderite (Fantastic etch!)

> > >> NWA 1879  Mesosiderite

> > >> NWA 2932 Mesosiderite

> > >> NWA 869 L4-6 1kg Lot

> > >> NWA 3118 CV3  100g Lot

> > >> NWA 3151 Brachinite Thin Section

> > >> NWA 4528 H5 500g  Lot

> > >> Unclassified 2kg Lot

> > >> Chergach Individual 92.1g (99%  crusted)

> > >> Chergach Individual 64.1g (100% crusted)

> > >> Gao Individual 154g  (from Haag Collection)

> > >> Glorieta Pallasite Individual 13.7g

> > >> Muonionalusta  End Cut 76.9g (starts at just

> 99

> > cents)

> > >> 

> > >> Thank you for checking out what I  have to

> offer,

> > I

> > >> appreciate it!

> > >> 

> > >> Best  regards,

> > >> Greg

> > >> 

> > >> ====================

> > >> Greg Hupe

> > >> The Hupe  Collection

> > >> NaturesVault (eBay)

> > >> gmhupe at htn.net

> > >> www.LunarRock.com

> > >> IMCA  3163

> > >> ====================

> > >> Click here for my current eBay auctions:

> > >> http://search.ebay.com/_W0QQsassZnaturesvault

> > >> 

> > >> 

> > >> 

> > >> 

> > >>

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> > >> Meteorite-list at meteoritecentral.com

> > >>

> >

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> > >> 

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> should

> > your

> > >> homepage. Try the NEW

> > >> AOL.com.

> > >>

> >

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> > >>

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