Holy Cow Batman! Is That A Weird Near Ultra-Violet Sapphire ?
No. Its a deeply colored vanadium and chrome rich sapphire from Tunduru in Tanzania. Granted this sapphire does have a powerful fibre-optic parked up its rear-end which explains the intensity of the colors. But, what the fiber-optic does not explain, is, the combination of colors, the directions and also the zonality. So, what’s up ?
The answer is we don’t really know. Before attempting to explain what we can’t explain, here is a smorgasboard of pictures and video of an intense piece of 25 carat Tunduru rough, and a smaller piece of cut Tunduru sapphire.
![alt text](https://cdn.rainbowsapphire.com/wp-content/uploads/2019/07/1_tunduru_rough_sapphire.jpg)
![](https://cdn.rainbowsapphire.com/wp-content/uploads/2019/07/2_pleochroism_tunduru_sapphire.jpg)
![The pinker A Axis in Tunduru Sapphire](https://cdn.rainbowsapphire.com/wp-content/uploads/2019/07/5A_more_A_axis_tunduru_sapphire.jpg)
![Looking Down The C-Axis; which is blue, but the outer edges are showing intense reddish fluorescence not seen in other axis directions](https://cdn.rainbowsapphire.com/wp-content/uploads/2019/07/5_flourescence_down_-the_C_axis_tunduru_sapphire.jpg)
![Rotating To The B-Axis Show A More Violet Hue.](https://cdn.rainbowsapphire.com/wp-content/uploads/2019/07/6_purple_down_the_b_axis.jpg)
![Shining the Fiber Optic Down the C-Axis With A Glorious Purple Spilling Out](https://cdn.rainbowsapphire.com/wp-content/uploads/2019/07/purple-frame-export.jpg)
Video – Watch Optical Phenomena In Tunduru Sapphire
Press play to experience red fluorescence in blue-purple sapphire.
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More Wierdness in Tunduru Sapphire
![Red Fluorescence in a Cut Tunduru Sapphire Activated by a Fiber-Optic Light](https://cdn.rainbowsapphire.com/wp-content/uploads/2019/07/9_Cut_tunduru_zonal_flourescence.jpg)
![Clearly Visible is red fluorescence in Blue-Purple Tunduru Sapphire](https://cdn.rainbowsapphire.com/wp-content/uploads/2019/07/10_usambara_effect_sapphire.jpg)
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