[meteorite-list] photographing irons
From: Laurence Garvie <lgarvie_at_meteoritecentral.com>
Date: Mon, 8 Oct 2007 22:26:47 -0700 Message-ID: <E18E5693-A8F4-46AF-95AC-F1D1A196F8DA_at_cox.net> 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 > > > > ------------------------------ > Received on Tue 09 Oct 2007 01:26:47 AM PDT |
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