[meteorite-list] Nice iron meteorite unclassified

Tue Mar 19 22:23:13 EDT 2024

Thank you Graham.
And thank you for having purchased this meteorite and for taking the time to get it analyzed. If you had not it probably would have been chopped up and sold as a probable-carbonaceous, and we would have never known that it was special. 
So thank you. 
Anne BlackIMPACTIKA.comimpactika at aol.com

    On Tuesday, March 19, 2024 at 12:18:48 PM MDT, Graham Ensor <graham.ensor at gmail.com> wrote:  

 Interesting to discuss Anne, It is true it is a gamble sometimes buying unclassified material, especially as there are so many unusual achondrites turning up these days that look like terrestrial rocks. But in a way that's the point. There has been so much new research into these rocks so as the desert hunters are spotting these rocks that do not fit the local geology and offering them up unclassified then it's often worth the gamble..indeed some are sending them direct to institutions more and more because so many are turning out to be unusual metoeites. .that's how so many of these new types are being found and those offering them and those taking the gamble are contibuting so much to research in recent times.
I gambled on buying an unclassied NWA a few years back in Ensisheim that looked as if it may turn out to be a CM and I wanted another larger CM to replace others I'd let go for research, one being a 54g Murchison. It sat in my collection for a while and then I decided I'd get the classification done to confirm what I thought. Indeed I was wrong as when I cut it, it looked like no other carbonaceous meteorite I'd seen before. I took it to be classified and eventually it turned out to be a unique ungrouped carbonaceous specimen. I donated extra and eventually more work will be done to investigate further. So not only did I and the seller end up helping to discover something new and contribute something extra to science, I gained a very special piece for my collection.
All classified material was once unclassied and somebody had to take a gamble on getting the work done, either as finder, buyer or researcher. There is a danger in buying unclassified material but in the end it comes down to how experienced the buyers and sellers are. It's unlikely to turn out well if an inexperienced collector buys from a new or unknown seller.

Graham 

On Tue, Mar 19, 2024 at 1:46 PM Anne Black via Meteorite-list <meteorite-list at meteoritecentral.com> wrote:

Hello Ed,
Thank you for asking. To me buying an unclassified meteorite is like buying a lottery ticket, maybe you will be lucky, maybe you won't, I have been dealing with meteorites for nearly 30 years and I have seen too many very good meteorwrongs. Do you remember Shirokovsky?  And even if it is really a meteorite, what type is it?  Imagine buying a mass of Portales Valley without knowing about the metal veins in it. Or a Tarda or a Murchison as "just" an unclassified but  probably carbonaceous chondrite. You would miss so much, meteorites are not just interesting rocks, they come a long way and have so much more to tell us. 
As for aesthetics, I certainly agree and I hate to see meteorites chopped in crumbs, but it only requires 20g and it can be done so as not damage the meteorite. Here is an example, I am sure you can see where it was cut, but I think you will agree that it does not damage the look of the meteorite, and yes it is now in the Met.Bulletin, it is Burns, an octahedrite IIIAB:   MPOD 131231 from Tucson Meteorites  

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MPOD 131231 from Tucson Meteorites

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I certainly hope that I answered your question. Thanks. 
Anne BlackIMPACTIKA.comimpactika at aol.com

    On Monday, March 18, 2024 at 11:01:50 AM MDT, Ed Fernandez <edf at digitaldaydreams.com> wrote:  

 Hi Anne,
I am very curious why you say this should be classified? As a collector, I prefer to buy irons that are intact and have not been cut. I am ok buying something unclassified and taking some risk on it. Just curious as to your thoughts. 
Regards,
Ed

On Mar 18, 2024, at 9:03 AM, Anne Black via Meteorite-list <meteorite-list at meteoritecentral.com> wrote:

Thank you for your responses on the Met. List.Why is this new iron not classified?  It should be classified before you start to sell it. 
Anne BlackIMPACTIKA.comimpactika at aol.com

    On Sunday, March 17, 2024 at 08:37:22 PM MDT, Benzaki Mohamed via Meteorite-list <meteorite-list at meteoritecentral.com> wrote:  

 Hi all the liste members  hop having a great time.  I present a nice iron 5kg.4 unclassified amateures sales slices) tested and  etched a slice for sale a good price please everyone interested contacte me thanks.______________________________________________
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