120630 - Image of the Month for July

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120630 - Image of the Month for July

Postby Matt Smith » Sat Jun 30, 2012 10:49 pm

Image
John C. McConnell makes a welcome return as contributor for this month's image, a 15.6g end-cut of everybodies favourite CV3 Allende. A Mexican meteorite that fell to Earth in February 1969, providing science with an ample quantity of fresh CV3 material for the first time. Click here to view the image in the Gallery or here for our archive of all previous "Image of the Month" images.
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Re: 120630 - Image of the Month for July

Postby Johnmc9929 » Tue Jul 03, 2012 1:25 pm

Thank you Matt for using the image, much appreciated!
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Re: 120630 - Image of the Month for July

Postby msg-meteorites » Tue Jul 03, 2012 7:49 pm

Thats a very fresh looking piece of Allende John, nice specimen!
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Re: 120630 - Image of the Month for July

Postby Kieron » Tue Jul 03, 2012 9:35 pm

Talking of Allende, does anyone know why it is generally available only in small specimens of 1-3g, if you're lucky? I know that larger examples surface occasionally, but not very often. I have been looking out for a nice 20g specimen for ages. Were the stones from this fall on the small side to start with, or has it been sub-divided so much that only small fragments remain?

Regards, Kieron
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Re: 120630 - Image of the Month for July

Postby Johnmc9929 » Wed Jul 04, 2012 1:13 am

msg-meteorites wrote:Thats a very fresh looking piece of Allende John, nice specimen!

Thanks Martin, yes it's one I got from JohnS in USA, all his specimens seem to be very fresh and clean, some wonderful items on his site as well. Pity I don't have one of those 1cm cubes to show the size but it's about 2" long, and a pie cut - very nice size with one side of crust.
Last edited by Johnmc9929 on Wed Jul 04, 2012 1:27 am, edited 2 times in total.
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Re: 120630 - Image of the Month for July

Postby Johnmc9929 » Wed Jul 04, 2012 1:23 am

Hi Kieron,

I think most of the Allende specimens are small because of the way the meteorite exploded on the way down, there was a great shower of material that fell over a vast area. I think in fact they are still finding material to this day. You will find on occasions whole stones in the region 20g you just need to be on the lookout. If I see something I'll let you know!
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Re: 120630 - Image of the Month for July

Postby Kieron » Thu Jul 05, 2012 2:27 pm

Johnmc9929 wrote:Hi Kieron,

I think most of the Allende specimens are small because of the way the meteorite exploded on the way down, there was a great shower of material that fell over a vast area. I think in fact they are still finding material to this day. You will find on occasions whole stones in the region 20g you just need to be on the lookout. If I see something I'll let you know!
John.


Thanks for that, John. Yes, I would appreciate a heads-up if you see anything at around 20g.


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Re: 120630 - Image of the Month for July

Postby MeteoritesEire » Sat Jul 07, 2012 10:21 am

I was on Bob Haags site the other day he has 2 60 gram stones--only looking $2,000 each :shock:

I have some allende available--will check weights and post pics
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Re: 120630 - Image of the Month for July

Postby MeteoritesEire » Sat Jul 07, 2012 11:28 am

7.7 gram fragment from rob Wesel

10.86 gram individual from Farmer

15.9 gram half stone from Farmer also I'm almost sure--no i.d. card however

sorry for quick pics especially the cut face on the 15.9 gram stone-it does look better than that--rushed job

http://www.emeraldislemeteorites.com/allendes.html

10 bucks a gram
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