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<p>[QUOTE=&quot;TallCakes, post: 9555672, member: 107&quot;]manganese will fluoresce very slightly under black light, but it is hard to see unless in total darkness upon close examination. What I&#039;m seeing here is light reflecting on the white opalescent treatment. I have some opalescent pieces and the light reflecting from the white opalescence makes it a bit difficult to see the fluorescence from the manganese.[/QUOTE]</p><p><br /></p>

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