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

[Galactic Stone & Ironworks]

Spectrolite is quite beautiful. :)

I've always wanted to put some in my rock tumbler.

Best regards,

MikeG


On 8/3/09, countdeiro at earthlink.net <countdeiro at earthlink.net> wrote:

> Dear Pekka and List,

>

> Your 2 cents worth makes one wonder what ten cents worth would have brought

> to the eyes! What an extraordinary group of specimens! The variety and

> beauty of the crystals is so overwhelming that I, for one, will try to

> collect as much of this material as I can afford..

>

> With admiration and thanks,

>

> Count Deiro

>

> -----Original Message-----

>>From: Pekka Savolainen <nuuska at dlc.fi>

>>Sent: Aug 3, 2009 3:55 PM

>>To: Gary Fujihara <fujmon at mac.com>

>>Cc: MeteorList <meteorite-list at meteoritecentral.com>

>>Subject: Re: [meteorite-list] Interesting crystal in meteorite - what is

>> it?

>>

>>

>>To me the form of the crystal looks like typical plagioglace feldspar,

>>(labradorite), (anorthosite + albite),

>>/N//a/(/A//l//S//i/3/O/8)/C//a/(/A/12/S//i/208).

>>

>>You can find some pics of the crystals of  finnish iridecent labradorite

>>(Spectrolite) from;

>>

>>http://www.finnishspectrolite.com/finlang/galleria/kuvat/spektroliitti012.html

>>

>>

>>Just my 2 cents, please, let us know, what it really is, when have the

>> piece

>>analyzed :-)

>>

>>best,

>>

>>pekka s

>>

>>

>>

>>

>>Gary Fujihara kirjoitti:

>>> 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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>>

>>

>>--

>>

>>

>>Pekka Savolainen

>>

>>Solar Gems

>>

>>Jokiharjuntie 4

>>FI-71330

>>Rasala

>>FINLAND

>>

>>member of IMCA #5776

>>

>>www.imca.cc

>>

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