[meteorite-list] Metal content in Lunars?

From: Meteorites USA <eric_at_meteoritecentral.com>
Date: Wed, 03 Mar 2010 09:30:11 -0800
Message-ID: <4B8E9CA3.40004_at_meteoritesusa.com>

Thanks Greg,

Are the lunars with visible metal detectably magnetic? Can you notice
any magnetism at all with them or is the metal mostly superficial?

Regards,
Eric

On 3/3/2010 9:06 AM, Greg Hupe wrote:
> Hi MikeG,
>
> Most of the first discovered Lunar meteorites had no real visible
> metal on polished surfaces. As more have been discovered over the last
> 10 years, there are numerous Lunars that have visible metal. A few
> examples are; NWA 2995, NWA 4472, NWA 4884, NWA 4932, NWA 5000, NWA
> 5406, SAU 300 and a couple other Omani Lunars that I can not remember
> at the moment. I'm sure I am missing others, but this is a good list
> to start with!
>
> Best regards,
> Greg
>
> ====================
> Greg Hupe
> The Hupe Collection
> NaturesVault (eBay)
> gmhupe at htn.net
> www.LunarRock.com
> IMCA 3163
> ====================
> Click here for my current eBay auctions:
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>
> ----- Original Message ----- From: "Galactic Stone & Ironworks"
> <meteoritemike at gmail.com>
> To: "Meteorite List" <meteorite-list at meteoritecentral.com>
> Sent: Tuesday, March 02, 2010 4:24 PM
> Subject: [meteorite-list] Metal content in Lunars?
>
>
>> Hi Listees,
>>
>> After posting some photos of my oddball brecciated meteorites, several
>> of you emailed me to say that the meteorite resembled a weathered
>> lunar - specifically one of the Shisr lunars from Oman. I must admit,
>> that there is a strong resemblance between them. And I would be very
>> fortunate and happy to find an unexpected 18-gram lunar hiding in my
>> uNWA box. But, this meteorite has visible metal fleck in it and it
>> exhibits attraction to a magnet. I have always been told (and read)
>> than lunars are not attracted to magnets and rarely have any visible
>> free metal.
>>
>> So, does the presence of metal and magnetic attraction rule out my
>> weird breccia as a lunar? If so, then it's probably some kind of L or
>> LL impact melt breccia like Bison. Which would still be interesting
>> and fun, but a little anti-climactic after the lunar speculation.
>>
>> I'd like to direct this question to those folks who have handled a lot
>> of lunars firsthand, like Adam and Greg Hupe, or some of the
>> scientists on the List.
>>
>> Best regards,
>>
>> MikeG
>>
>> --
>> ------------------------------------------------------------
>> Mike Gilmer - Galactic Stone & Ironworks Meteorites
>> http://www.galactic-stone.com
>> http://www.facebook.com/galacticstone
>> ------------------------------------------------------------
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Received on Wed 03 Mar 2010 12:30:11 PM PST