Re: [meteorite-list] the hambledon pallasite

2007-02-08 Thread Mr EMan
WOW Dave! that seems to be a complete euhedral crystal
Is that a spinel, magnetite, chromite?  Regardless
perfect crystal growth like this in a meteorite is
ultrarare.

Is this one of the pyroxene bearing pallasites?

Inquiring minds.

Really interesting piece, Congratulations.

Elton
--- Dave Harris [EMAIL PROTECTED] wrote:

 HI everyone
 
 ..look what I got!
 http://tinyurl.com/2pjngj

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Re: [meteorite-list] the hambledon pallasite

2007-02-08 Thread Michael Farmer
Boy, that one sure resembles Admire.
Mike Farmer



--- Dave Harris [EMAIL PROTECTED] wrote:

 
 HI everyone
 
 ..look what I got!
 
 
 http://tinyurl.com/2pjngj
 
 
 
 enjoy!
 
  
 Dave
 IMCA #0092
 Sec.BIMS
 www.bimsociety.org
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Re: [meteorite-list] the hambledon pallasite

2007-02-08 Thread Dave Harris
It's wonderful!
Rob Elliott has lent it to BIMS for a science fair that Mark  I  are doing
later this month.  I'm the one in the lovely purple gloves and for some
reason appear to be staring down my nose at the camera.
Lots of sulphide veins in it - apparently this is unique amongst pallasites.
I was due to to go the the NHM in London today to chat to Caroline about it
but the weather's freaked the trains out here...

ho hum!

ciao
d.
 
---Original Message---
 
From: Michael Farmer
Date: 02/08/07 15:23:21
To: Dave Harris; metlist
Subject: Re: [meteorite-list] the hambledon pallasite
 
Boy, that one sure resembles Admire.
Mike Farmer
 
 
 
--- Dave Harris [EMAIL PROTECTED] wrote:
 

 HI everyone

 ..look what I got!


 http://tinyurl.com/2pjngj



 enjoy!


 Dave
 IMCA #0092
 Sec.BIMS
 www.bimsociety.org
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 Meteorite-list mailing list
 Meteorite-list@meteoritecentral.com

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Re: [meteorite-list] the hambledon pallasite

2007-02-08 Thread Dave Harris
Not mine - Rob Elliott's - it's on loan for a show, but yep - that xl took a
lot of looking at too - personally I think it is terrestrial.  Under the 
scope the xl is embedded in the loose, almost Caliche type weathering on the
very crust - it would need XRDing to check it out but I think it is a pyrite
xl -silvery and not, as far as we can tell transparent/transclucent 
It is far out - what a slice of heaven I tell you! 
---Original Message---
 
From: Mr EMan
Date: 02/08/07 13:29:12
To: Dave Harris; metlist
Subject: Re: [meteorite-list] the hambledon pallasite
 
WOW Dave! that seems to be a complete euhedral crystal
Is that a spinel, magnetite, chromite?  Regardless
perfect crystal growth like this in a meteorite is
ultrarare.
 
Is this one of the pyroxene bearing pallasites?
 
Inquiring minds.
 
Really interesting piece, Congratulations.
 
Elton
--- Dave Harris [EMAIL PROTECTED] wrote:
 
 HI everyone

 ..look what I got!
  http://tinyurl.com/2pjngj
 

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Re: [meteorite-list] the hambledon pallasite

2007-02-08 Thread Göran Axelsson
As far as I'm concerned, that is not a pyrite crystal, it has the wrong 
form for pyrite.
But it is the right form for a spinel group mineral (magnetite, spinel, 
chromite, ...).
Magnetite is also a common mineral. Here in Sweden I wouldn't be 
surprised by finding a small crystal like that in weathered rocks, 
magnetite is very common in granites and other igneous rocks and very 
resistant against weathering.
As I have no knowledge of the geological conditions where this pallasite 
was found I can't say anything about how probably it is a terrestrial 
crystal or not.

A simple test is to use a weak magnet to see if it is magnetite. But I 
wouldn't do it on somebody else's meteorite.

Nice pictures and a very interesting pallasite.

  :-)

/Göran

Dave Harris wrote:
 Not mine - Rob Elliott's - it's on loan for a show, but yep - that xl 
 took a lot of looking at too - personally I think it is terrestrial.  
 Under the 'scope the xl is embedded in the loose, almost Caliche type 
 weathering on the very crust - it would need XRDing to check it out 
 but I think it is a pyrite xl -silvery and not, as far as we can tell 
 transparent/transclucent 
 It is far out - what a slice of heaven I tell you! 
 /---Original Message---/
  
 /*From:*/ Mr EMan mailto:[EMAIL PROTECTED]
 /*Date:*/ 02/08/07 13:29:12
 /*To:*/ Dave Harris mailto:[EMAIL PROTECTED]; metlist 
 mailto:meteorite-list@meteoritecentral.com
 /*Subject:*/ Re: [meteorite-list] the hambledon pallasite
  
 WOW Dave! that seems to be a complete euhedral crystal
 Is that a spinel, magnetite, chromite?  Regardless
 perfect crystal growth like this in a meteorite is
 ultrarare.
  
 Is this one of the pyroxene bearing pallasites?
  
 Inquiring minds.
  
 Really interesting piece, Congratulations.
  
 Elton
 --- Dave Harris [EMAIL PROTECTED] 
 mailto:[EMAIL PROTECTED] wrote:
  
  HI everyone
 
  ..look what I got!
   http://tinyurl.com/2pjngj
  

   
   

 http://www.incredimail.com/index.asp?id=409lang=9
 

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