Thought I'd post this stack..shot with a T7i camera w LED lighting using a 10X Mitutoyo objective on 200mm Nikon tube lens. The green Dioptase crystals produced strong halos and shadows so I suppressed some of them by de-saturating the Cyan in those areas. A form of cheating I suppose? Comments welcome...
Dioptase on Calcite
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Getting good color-balanced images of dioptase is one of the "holy-grail" challenges in mineral photography. Your image looks very good, even with the residual halos. I usually desaturate both cyan and magenta (I look for problems by oversaturating them first, in PS, to see if the cyan and magenta are present only as halos, or are intrinsic to the subject). Where is the rock from and what are the crystal sizes?
It's not what you look at that matters, it's what you see - Henry David Thoreau
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Grgh
50 years ago, in my youth I lived in a small mining town in Arizona. My dad was a mining engineer. Occasionally he would take rock collecting visitors from back east to the leach pond vicinity where experiments (dissolving coper mineral from rock with acid) had been conducted on various minerals. Small pencil eraser sized rocks covered with tiny dioptase cristals were easy pickings. My dad carried a hand loup in his pocket to admire such things.
Keith
50 years ago, in my youth I lived in a small mining town in Arizona. My dad was a mining engineer. Occasionally he would take rock collecting visitors from back east to the leach pond vicinity where experiments (dissolving coper mineral from rock with acid) had been conducted on various minerals. Small pencil eraser sized rocks covered with tiny dioptase cristals were easy pickings. My dad carried a hand loup in his pocket to admire such things.
Keith
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During last years, numbers of good micro samples came from Christmas mine in Gila Co.
https://www.mindat.org/gallery.php?loc=3326&min=1295
Very nice photo!
https://www.mindat.org/gallery.php?loc=3326&min=1295
Very nice photo!
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