[meteorite-list] photographing irons

[Laurence Garvie]

Regarding photographing irons - I have had good success scanning them  
on a flatbed scanner.  I typically use 1200 dpi and color. Note, this  
can produce a large file. I'll try and send a link to an image tomorrow.

Laurence
CMS
ASU

> Message: 5
> Date: Mon, 8 Oct 2007 15:38:56 -0400
> From: "David & Kitt Deyarmin" <bobadebt at ec.rr.com>
> Subject: [meteorite-list] Questions about Uruacu - Shiny Black
> 	Inclusions /	Images / Etching
> To: <meteorite-list at meteoritecentral.com>
> Message-ID: <01e901c809e2$de120180$e3f33842 at David>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> 	reply-type=original
>
> I am processing some Uruacu and some of the pieces have huge shiny  
> black
> inclusions that almost have a mirror like reflective surface.
>
> Does anyone know what these are, you can see a lot of them in this  
> 354 gram
> slice:
>
>
> http://i131.photobucket.com/albums/p298/BobaDebt/Uruacu/ 
> 354grSlice1.jpg
>
>
>
> ----------------------------------------------------------------
>
>
>
> Does anyone have any tips on photographing this material.  It  
> doesn't have a
> lot of contrast but the etch looks 1000% better then what this  
> image shows:
>
> http://i131.photobucket.com/albums/p298/BobaDebt/Uruacu/ 
> 354grSlice2.jpg
>
> I have tried shooting it from various angles, with and with out flash,
> inside, outside, nothing seems to really capture the look of the etch
>
>
>
> ----------------------------------------------------------------
>
>
>
> Speaking of the etch, does anyone have any ideas on how to get more
> contrast, I have tried a variety of Nitric Acid and Ferric Chloride
> Solutions and I have even tried various combination of both.
>
> If anyone can offer any help it would be greatly appreciated.
>
> Thanks
>
>
>
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>