[meteorite-list] NWA 6292 (BRA) IS paired to NWA 5400 !

From: Richard Montgomery <rickmont_at_meteoritecentral.com>
Date: Sun, 26 Sep 2010 18:02:37 -0700
Message-ID: <66F172C0C034419B9345903192E3FEFE_at_bosoheadPC>

Hi List. I specifically chose slices of NWA 5400 and NWA 6292 from Greg and
Peter because of the O-anaysis. Highly regarded science has been paired
with the highly regarded reputations of all these gentlemen. The stones
have earned their true IDs by the thorough rigors required, no short-cut
exceptions. (This is not to dimisnish any future 'potential' confirmations
though, since my emphasis is on 'confirmation' by the same
studies.) -Richard Montgomery


----- Original Message -----
From: <countdeiro at earthlink.net>
To: "Greg Hupe" <gmhupe at htn.net>; "Peter Marmet" <p.marmet at sunrise.ch>;
"Greg Catterton" <star_wars_collector at yahoo.com>; <Starsinthedirt at aol.com>
Cc: <Meteorite-list at meteoritecentral.com>
Sent: Saturday, September 25, 2010 7:34 PM
Subject: Re: [meteorite-list] NWA 6292 (BRA) IS paired to NWA 5400 !


> List and those whose feet fit the following shoes,
>
> Peter is quoted by Greg as saying each and every suspected "pairing" to
> NWA 5400 absolutely has to have oxygen isotope analysis performed. I
> empathically agree.
>
> When I, and other collectors, purchase a specimen of a rarity that
> commands a high price per gram, we select carefully a dealer that we know
> and trust to have accomplished a complete classification that includes gas
> analysis. Greg Hupe' has an impeccable reputation as, does Peter Marmet,
> of only offering a new and rare addition to the inventory with full
> provenance and analysis. Therefore, I buy from them.
>
> For my own reasons, I paid a premium price to have my pick of NWA 5400
> when first offered by Hupe' and I don't like having my ox gored by
> opportunists and profiteers. There are standards that should be followed
> amongst gentlemen of commerce.
>
> Best to all,
>
> Count Deiro
> IMCA 3536
>
> -----Original Message-----
>>From: Greg Hupe <gmhupe at htn.net>
>>Sent: Sep 25, 2010 2:06 PM
>>To: Peter Marmet <p.marmet at sunrise.ch>, Greg Catterton
>><star_wars_collector at yahoo.com>, Starsinthedirt at aol.com
>>Cc: Meteorite-list at meteoritecentral.com
>>Subject: Re: [meteorite-list] NWA 6292 (BRA) IS paired to NWA 5400 !
>>
>>Hello Peter, GregC and Tom,
>>
>>Peter has it right, each and EVERY suspect 'pairing' to NWA 5400
>>absolutely
>>has to have oxygen isotope analysis performed, on every stone. Most people
>>do not know about the additional stones that 'looked' like NWA 5400, but
>>oxygen work proved they were not paired. I even submitted samples from
>>additional stones I sampled while in Morocco two years ago that 'looked'
>>similar to NWA 5400, but oxygen analysis later proved them to be 'just'
>>brachinites. NWA 5400 is one meteorite that requires these advanced
>>analysis, no shortcuts or visual 'pairing' will cut it. As Peter pointed
>>out, "...further studies are currently [being] made concerning NWA 5363."
>>In
>>other words, oxygen isotope analysis has not been completed so "NWA 5363"
>>has not been confirmed as a pairing [to NWA 5400]. The last discussion on
>>this List during the summer months stated that. Dr. Irving had not yet
>>received a sample of "NWA 5363". But then again, which of the 30 stones,
>>if
>>any, were sampled and sent to him?
>>
>>Since we know that NWA 5363 consists of 30 (thirty) different stones
>>totaling ~2kg, I and Dr. Irving, among others, believe that each and every
>>stone that is considered as "NWA 5363" need to be individually studied and
>>have oxygen analysis performed, unless all 30 pieces fit neatly together
>>as
>>a puzzle, which they do not. As we know, visual comparisons do not make
>>for
>>a pairing even upon the 30 pieces where only one stone was sampled. As Dr.
>>Irving stated, "NWA 5363" will always be a suspect meteorite because of
>>the
>>unfinished work (no oxygen performed) and the fact that there are 30
>>different stones that were visually paired, tossed in a box, and then sold
>>around the world as being paired to the one sampled "NWA 5363" stone.
>>
>>I am not trying to further any negative discussions here, these are just
>>the
>>facts. If I had a stone from "NWA 5363", you bet I would send a piece of
>>that particular rock and have oxygen analysis performed, preferably by the
>>same lab where NWA 5400 was studied. Short of that, you have, or are
>>offering, unconfirmed stones which may or may not be paired to the "NWA
>>5363" stone, much less NWA 5400.
>>
>>I will not engage into any further discussions here regarding this topic.
>>If
>>you have concerns about your "NWA 5363" stone, contact a scientist who is
>>willing to study your rock.
>>
>>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: "Peter Marmet" <p.marmet at sunrise.ch>
>>To: "Greg Catterton" <star_wars_collector at yahoo.com>
>>Cc: <Meteorite-list at meteoritecentral.com>
>>Sent: Saturday, September 25, 2010 12:13 PM
>>Subject: Re: [meteorite-list] NWA 6292 (BRA) IS paired to NWA 5400 !
>>
>>
>>Hello Tom, Greg and list,
>>
>>I know that further studies are currently made concerning NWA 5363. I
>>also know that several recent finds are - strangely - NOT paired to
>>NWA 5400, despite
>>the fact that they look very similar.
>>
>>Here you can see picts of NWA 5363 (please scroll down) and NWA 6292
>>(paired to NWA 5400!)
>>
>>http://www.marmet-meteorites.com/id41.html
>>
>>...and here are two picts of a thin section of NWA 5363:
>>
>>http://www.thinsections.ch/ts/LOD_-_ACAP_-_BRA.html (please scroll
>>down)
>>
>>Best,
>>Peter
>>
>>
>>
>>
>>
>>2010/9/25 Greg Catterton <star_wars_collector at yahoo.com>:
>>> I have not seen anything recent, but last I read on here it had been
>>> confirmed already to be paired (5363)
>>>
>>> I have a couple nice slices of 5400 and I have to say that its awesome,
>>> and I will be sharing thin section images of it soon.
>>>
>>> Looking forward to seeing the 5363 images also!
>>>
>>> Hope everyone is doing good today.
>>>
>>> Greg Catterton
>>> www.wanderingstarmeteorites.com
>>> IMCA member 4682
>>> On Ebay: http://stores.shop.ebay.com/wanderingstarmeteorites
>>> On Facebook: http://www.facebook.com/WanderingStarMeteorites
>>>
>>>
>>> --- On Fri, 9/24/10, Starsinthedirt at aol.com <Starsinthedirt at aol.com>
>>> wrote:
>>>
>>>> From: Starsinthedirt at aol.com <Starsinthedirt at aol.com>
>>>> Subject: Re: [meteorite-list] NWA 6292 (BRA) IS paired to NWA 5400 !
>>>> To: meteorite-list at meteoritecentral.com
>>>> Date: Friday, September 24, 2010, 8:12 PM
>>>> Hi list, I am working on a
>>>> batch of NWA 5363 (provisional) transmitted
>>>> light Xpol images and the results are turning out
>>>> very good.
>>>>
>>>> I was wondering what the current scoop on 5363 is.
>>>> Any news of any other
>>>> pairings than 6292?
>>>>
>>>> Does some one have the whole story on this?
>>>>
>>>> Thanks, Tom
>>>>
>>>> In a message dated 9/17/2010 11:31:09 A.M. Mountain
>>>> Daylight Time,
>>>> p.marmet at sunrise.ch
>>>> writes:
>>>> Dear buyers of NWA 6292, dear list members,
>>>>
>>>> NWA 6292 IS paired to NWA 5400 !
>>>>
>>>> Just got this info from Dr. A.J. Irving:
>>>> Quote:
>>>> "I received an analysis of the oxygen isotope
>>>> composition of NWA 6292,
>>>> which plots on the terrestrial
>>>> fractionation line, thus confirming that this specimen is
>>>> paired with NWA
>>>> 5400."
>>>>
>>>> I just updated my "Achondrites fro sale" page, incl.
>>>> NWA 6292 (BRA):
>>>>
>>>> http://www.marmet-meteorites.com/id41.html
>>>>
>>>> Please note: Status of NWA 6292 is still
>>>> provisional.
>>>>
>>>> Thank you,
>>>> Peter
>>>>
>>>> Peter Marmet - IMCA #2747
>>>> Bern, Switzerland
>>>> http://www.marmet-meteorites.com/
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>>>
>>>
>>>
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Received on Sun 26 Sep 2010 09:02:37 PM PDT