[meteorite-list] Interesting crystal in meteorite - what is it?

From: Galactic Stone & Ironworks <meteoritemike_at_meteoritecentral.com>
Date: Mon, 3 Aug 2009 18:54:04 -0400
Message-ID: <e51421550908031554h367795c6n4e47927be819ec5b_at_mail.gmail.com>

What really strikes me about this possible lodranite is how closely it
resembles a H6 or H7 chondrite. I've had a couple of UNWA stones that
look alot like this lodranite, but I never paid them much mind because
they didn't obviously look interesting - like some achondrites do or a
type loaded with chondrules. I wonder if I've accidentally let
something like this slip by....

Best regards,

MikeG


On 8/3/09, Greg Stanley <stanleygregr at hotmail.com> wrote:
>
> Gary:
>
> That is an amazing specimen. My first thought would be a plagioclase, but I
> noticed in the video that at one angle it looked greenish; perhaps some kind
> of orthopyroxene that is exhibiting iridescence.
>
> Please let us know when you get the test results.
>
> Greg S.
>
> ----------------------------------------
>> From: fujmon at mac.com
>> To: meteorite-list at meteoritecentral.com
>> Date: Mon, 3 Aug 2009 11:50:32 -1000
>> Subject: [meteorite-list] Interesting crystal in meteorite - what is it?
>>
>> Aloha,
>>
>> In a suspected lodranite recently procured from Morocco, I noticed a
>> peculiar large, iridescent crystal in the broken face of the
>> meteorite. I contacted some people on the metlist about this feature
>> to get their thoughts, and Bernd Pauli has opined that the crystal is
>> euhedral, iridescent and has the crystalline form of typical
>> feldspars. But I have never seen a plagioclase feldspar look like
>> this. Or is this some kind of iridescent olivine crystal? Or ???
>>
>> I am getting this specimen analyzed, but until then, I am hoping
>> someone on the metlist has seen, and can identify this curious crystal.
>>
>> http://astroday.net/Meteorites.html
>>
>> Gary Fujihara
>> AstroDay Institute
>> 105 Puhili Place, Hilo, HI 96720
>> (808) 640-9161, fujmon at mac.com
>> http://astroday.net
>>
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Received on Mon 03 Aug 2009 06:54:04 PM PDT