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Recent Posts
- List of facts about tourmaline, an opinion
- No Paraiba in top ten list of most valuable/rarest or beautiful gemstones??
- #261 and a bright red cuprian smile
- Included bright sparkling red round. #261
- Getting threw the winter, 1/3 carat of fire
- The amount of lead in tourmaline.
- Color my world of tourmaline.
- Copper’s limited roll in coloring Paraiba/cuprian tourmaline.
Tags
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- bi-color
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- blue-green
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- personal story
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- shield
- unique
- verdelite
- yellow
- yellow-green
Recent Comments
- Romeo48065 on Laurellite a reverse color change tourmaline is unique.
- toadandspur on Outstanding Achroite with a Mystery
- Bruce Fry on Welcome to a World of Color in Tourmaline
- David Walsh on Paraiba/paraiba type tourmaline and treatments.
- rexguo on Laurellite a reverse color change tourmaline is unique.
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Monthly Archives: October 2016
Bulk diffusion of copper into tourmaline, wrong all the way around.
I think that I have not written about the bulk diffusion of copper into tourmaline before on this site because, from the start, it was a suspicion that was support by inept science and pushed by the seeking of status … Continue reading
Posted in Cuprian Tourmaline, Tourmaline Analysis
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Orange, to be or not to be, it is. All hale a glory of tourmaline.
Orange will never be number one in the world of color in tourmaline. Much of it is either desaturated under all reasonable white lights or at least under more bluish light (Brownish cast). But there are exceptions and I have … Continue reading
Posted in Cutting Tourmaline, Orange
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