[meteorite-list] R: help me in understand analysis
From: Francesco Moser <cojack_at_meteoritecentral.com>
Date: Fri, 6 Oct 2017 18:47:11 +0200
Sure! I agree with you!
The stone now is under more detailed analysis!
Da: Meteorite-list [mailto:meteorite-list-bounces at meteoritecentral.com] Per conto di Adam Hupe via Meteorite-list
Inviato: venerd? 6 ottobre 2017 18:00
A: metlist <meteorite-list at meteoritecentral.com>
Oggetto: Re: [meteorite-list] help me in understand analysis
It is best to avoid this type of material altogether. It appears to be
another self-paired stone being offered up as a planetary piece. Most
collectors realize that without formal classification by a recognized laboratory and name assignment by the Meteoritical Society, the material
is consider just a rock and not a meteorite. In other words, it is
worthless. Many collectors have been fooled already by the influx of these stones and are asking for refunds after realizing, there is no secondary market for this material.
On 10/6/2017 4:30 AM, Francesco Moser via Meteorite-list wrote:
> a man have send me some pictures of a dozen stones and asked me wich
> types of meteorites could be.
> I answered that for me those materials are terrestrial.
> But he tell me that for sure the stones are lunar meteorites :) He has
> send me this analysis for proving the lunar origin of the stones.
> I'm not able to understand this data, please someone could take a look
> and tell me if this material could be terrestrial or extra-terrestrial.
> No other analysis was done on the stones. I guess that without an
> oxigen isotopes abundance ratio is impossible to identify a lunar rock, isn't?
> Method LF200
> SiO2 47.45%
> Al2O3 19.42%
> Fe2O3 9.73%
> MgO 10.16%
> CaO 8.95%
> Na2O 1.75%
> K2O 0.79%
> TiO2 0.29%
> P2O5 0.08%
> Cr2O3 0.01%
> Ba 110ppm
> Ni 121ppm
> Sc 7ppm
> I Have also a detailed list of trace elements.
> This man tell me that the presence of K2O and P2O5 confirm the
> extra-terrestrial origin of the rocks.
> Thanks a lot in advance!
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Received on Fri 06 Oct 2017 12:47:11 PM PDT