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Franklinite (black), Willemite (green), Calcite (orange), Red Zincite (black) under UVC/Shortwave UV lamp (sun cancer light)
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3 Comments
Anneke Hut 08 Jul 2010
Wow, that's brilliant!Maria Anna Machado 08 Jul 2010
fantastic...Laurel Talabere 08 Jul 2010
Pretty amazing transformation of this rock!!