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Pyrrhotite Crystal


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cyrtolite Basic Member
Thu 27-Jul-00 10:30 AM


This is a photomicrograph of a pyrrhotite (iron sulfide) crystal from my mineral collection. I took the picture with an Olympus (sorry! ) OM-G and OM microscope adapter shooting through one of the two eyepieces in my stereomicroscope. I angled the light from my fiber optic illuminator to accentuate the irridescent tarnish. I used exposure compensation (~-1 EV) to avoid overexposing the crystal. I used Ektachrome t-160 (tungsten) film, I can't remember the rest of the exposure data. The actual crystal is about the size of a pinhead.

I do qualify as a Nikonian, as I own a Nikon N80 w/ Nikkor AF 24-120mm f3.5-5.6D. At this time, I lack the equipment that would enable me to shoot through my microscope with the Nikon. I'm posting this non-Nikon image because I thought you all might find it interesting. If you do, there are more at http://members.aol.com/cyrtolite/Index.htm.