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Mark Ost
Joined: 18 Mar 2013
Posts: 516
Location: Virginia Beach
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Posted: Mar 19, 2013 18:22 Post subject: Colors in artificial Zincite and other |
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Micro photo of the play of light in Artificial Zincite. Olowa Zinc Smelter, Poland. 5 megapixel Steindorf CCD microscope camera.
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Artificial Zincite Olowa Zinc Smelter Poland 3 mm section. |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 19, 2013 18:41 Post subject: Re: Colors in artificial Zincite and other |
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Mark, this really unusual and beautiful. Thanks for posting.
Don
_________________ hogwild |
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Mark Ost
Joined: 18 Mar 2013
Posts: 516
Location: Virginia Beach
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Posted: Mar 19, 2013 21:56 Post subject: Re: Colors in artificial Zincite and other |
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You are welcome Don. I have several others in this series.
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Mark Ost
Joined: 18 Mar 2013
Posts: 516
Location: Virginia Beach
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Posted: Mar 20, 2013 19:59 Post subject: Re: Colors in artificial Zincite and other |
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Here is another micro of the surface of a Rogerley Fluorite showing 0 {111} faces of the nucleus crystals. If these were to grow further into dodecahedral crystals the a faces {010} {100} { 001} and opposites would grow slower (lower energy) than the "corners" of the crystal (higher energy). The final result would be that the "corners" grow themselves out of existence resulting in the cube final form.
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Fluorite Rogerley Mine Durham County, England, UK 9x9 cm |
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Mark Ost
Joined: 18 Mar 2013
Posts: 516
Location: Virginia Beach
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Posted: Mar 20, 2013 20:20 Post subject: Re: Colors in artificial Zincite and other |
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Hi Don here is another of the zincite micro photos.
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Articifial Zincite Olowa Zinc Smelter, Poland 5mm |
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Mark Ost
Joined: 18 Mar 2013
Posts: 516
Location: Virginia Beach
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Posted: Mar 20, 2013 20:23 Post subject: Re: Colors in artificial Zincite and other |
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One last for the night. These also fluoresce nicely in green.
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Artificial Zincite Olowa Zinc Smelter, Poland 4 mm |
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