[meteorite-list] Adam's NWA 2989 Acapulcoite

From: stan . <laser_maniac_at_meteoritecentral.com>
Date: Tue Feb 14 20:36:45 2006
Message-ID: <BAY101-F16F459E84C4090139DE871F0FA0_at_phx.gbl>

for those that might be curious the mass of 2656 was broken into 'pieces' -
as in 2 pieces. Nelson Oaks has one and I have the other, with a few slices
being sold off here and there. If Adam's piece is paired then the bueaty of
this stuff really cant be understated - it's gorgeous material. IF anyone
wants a piece and 4 or 5 grams isnt enough then wirte Nelson, I belive his
piece is up for grabs - or at least it was listed in Lang's auction at
tucson...



>From: John Birdsell <johnbirdsell_at_yahoo.com>
>To: Meteorite-list_at_meteoritecentral.com
>Subject: Re: [meteorite-list] Adam's NWA 2989 Acapulcoite
>Date: Tue, 14 Feb 2006 15:21:11 -0800 (PST)
>
>Hi Bernd...Yes, if it is paired to our new Acapulcoite
>NWA 2714 and NWA 2656, then the provisional write-up
>in MB90 states that the TKW is accounted for by a
>single ~ 7.5 kilogram stone which was apparently
>broken into pieces and sold.
>
>
>Cheers
>
>
>-John
>
>
>
>--- bernd.pauli_at_paulinet.de wrote:
>
> > Hello All !
> >
> > I've just purchased my 3.7-gram, extremely metal-
> > and troilite-rich slice
> > of NWA 2989 (Item #6605571076 - just in case you
> > care to take a look ;-)
> > that Adam is offering on EBay. Look at it and you'll
> > know what I mean!
> >
> > Adam writes:
> >
> > "...TKW of 77 grams is recorded for NWA 2989. This
> > weight does
> > not reflect any pairings since I do not have
> > accurate figures."
> >
> > It is probably paired with NWA 2656, of which I own
> > a beautiful slice
> > weighing 0.29 grams.
> >
> > Adam also writes: "... the lowest price you will
> > find on EBay."
> >
> > And right he is! I paid $290 for my little,
> > beautiful NWA 2656 (which I do not
> > regret!). Go figure and do the maths what I would
> > have had to pay for more than
> > 10 times the weight (3.7 grams) of my 0.29-gram
> > ACAP.
> >
> > The specimen that comes closest to the one I
> > purchased seems to be the 2.55-gram
> > part slice - also very metal-rich and almost like my
> > little NWA 2656 with all its
> > delicate veins and veinlets. It doesn't show those
> > slender troilite inclusions but
> > this part slice would be my choice no. 2. I'd buy
> > both of them if I could afford it!
> >
> > What makes acapulcoites, and especially this one, so
> > interesting is their achondritic,
> > granular texture and, at the same time, they have an
> > ordinary chondrite mineralogy.
> > That's why you find both abundant metal (similar to
> > H chondrites!) and sulfide in them.
> >
> > Another interesting feature is the rare occurrence
> > of relict chondrules, and, as they do
> > not plot too far away from both angrites,
> > brachinites on the one hand, and from ureilites
> > on the other, you will also find grain boundaries
> > meeting in triple junctions (120°).
> >
> >
> > Best Acapucoitic wishes,
> > and Good Night,
> >
> > Bernd
> >
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> >
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> >
>
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Received on Tue 14 Feb 2006 08:36:35 PM PST