[meteorite-list] Chelyabinsk: six months of eBay sales

From: Richard Montgomery <rickmont_at_meteoritecentral.com>
Date: Thu, 29 Aug 2013 20:12:34 -0700
Message-ID: <6DFB258BA6204C8FA433397DE1396058_at_bosoheadPC>

Nice "skipper" bolide, eh? Like the Grand Teton photo...
There must've been something very interesting on that train to have the
camera rolling
-Richard M
----- Original Message -----
From: "Michael Farmer" <mike at meteoriteguy.com>
To: "Matson, Robert D." <ROBERT.D.MATSON at saic.com>
Cc: "Meteorite List" <meteorite-list at meteoritecentral.com>
Sent: Thursday, August 29, 2013 11:38 AM
Subject: Re: [meteorite-list] Chelyabinsk: six months of eBay sales


> That is amazing work Robert, I would love to see it.
> Millions were spent on Chelyabinsk worldwide, that's for sure.
> The mexico event last week could easily have been just as large or larger
> based on the videos so far released, but it seems most likely the
> meteoroid skipped back out into space!
> It would have been amazing to have had to massive events in the same year,
> must like Allende and Murchison in 69.
>
> Michael Farmer
>
> Sent from my iPad
>
> On Aug 29, 2013, at 11:26 AM, "Matson, Robert D."
> <ROBERT.D.MATSON at saic.com> wrote:
>
>> Hi All,
>>
>> If anyone is interested, for the past 6 months I've been compiling the
>> closing prices, masses and sellers of eBay Chelyabinsk meteorite sales
>> in an Excel spreadsheet. The dataset is quite large now (1250 points)
>> and includes all eBay sales of Chelyabinsk masses greater than or equal
>> to 3 grams. (Best-offer sales were not included since that price is not
>> reported by eBay.) There were a few sales that did not provide masses
>> (though clearly higher than my 3-gram cutoff), but since I was
>> interested
>> in tracking the price-per-gram metric, I excluded them.
>>
>> A summary:
>>
>> Total auctions: 1250
>> Period covered: 2/27/2013 - 8/28/2013
>> Total mass: 22192.6 grams
>> Total cost: $248,393
>> Average price-per-gram: $11.19
>>
>> Since price-per-gram obviously depends a great deal on the quality of
>> the specimen (percentage of crust, overall shape, degree of weathering,
>> whether IMB or not, evidence of orientation, presence of flow lines or
>> roll-over lips, etc.) I tried to add notes for each sale estimating the
>> percentage of crust, presence of weathering, whether the specimen
>> appeared to be an IMB, or anything else I thought relevant.
>>
>> If enough people are interested in the spreadsheet, rather than email it
>> individually to each person perhaps someone can host it for me.
>>
>> Having spent over 30 hours over the last 6 months compiling all this
>> data, I probably won't continue to update it much longer. I figured
>> the nearly quarter-million-dollar sales mark was a good hopping off
>> point to mention it on the List. I think you'll find the master plot
>> of the PPG over time quite interesting, and I wouldn't be surprised if
>> this is the most detailed price history of a meteorite ever constructed.
>>
>> Best wishes,
>> Rob
>>
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Received on Thu 29 Aug 2013 11:12:34 PM PDT


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