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Recent Comments
- Romeo48065 on Laurellite a reverse color change tourmaline is unique.
- toadandspur on Outstanding Achroite with a Mystery
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- rexguo on Laurellite a reverse color change tourmaline is unique.
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Tag Archives: color change
Laurellite a reverse color change tourmaline is unique.
I am sure that I have probably said too much about Laurellite on this site for some people, but questions have arisen and I wish to list the salient points about Laurellite that are important to appreciate it. 1, Laurellite … Continue reading
Posted in Laurellite, Tourmaline Analysis
Tagged analysis, chromophore, color change, cuprian, gemology, laurellite, spectrometry
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Copper and Manganese made a Lady of Her, round#271
I am not a great believer in luck, but there are times when you’re game plan works out. My game plan with the collection was not to secure the best investments or even the prettiest tourmaline, but to chase color. … Continue reading
Posted in Cuprian Tourmaline, Etc., Laurellite
Tagged color change, cuprian, laurellite, lavender, Mozambique, outstanding, pastel, personal story, purple
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Gold to Green color changer, Dravite the species oval.#300
In my opinion this is a true color changer. I have run into a few on the inter net, but this is the only one in the collection. I did not realize that I had a another type of color … Continue reading
Significantly included, Laurellite, cuprian, round, Mozambique#947
This standard round brilliant has a nice purple color in daylight, but its flash is significantly lessened by it feathers. I say daylight with the purple, because it is a Laurellite. Laurellite is a name I gave to a new … Continue reading
Posted in Cuprian Tourmaline, Etc., Laurellite
Tagged blue-purple, bruce fry discovery, color change, cuprian, laurellite, Mozambique, purple, round
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Included, Oval, Laurellite, Cuprian, Elbaite from Mozambique.#945
This oval was actually the first Laurellite that I cut. It is not as colorful as her sister #944, since her color change goes from purple to more of a grayed blue, but she set me up to take action … Continue reading
Posted in Cuprian Tourmaline, Etc., Laurellite
Tagged blue-purple, bruce fry discovery, color change, cuprian, laurellite, Mozambique, oval, personal story, purple
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Included and flawed, but still a laurellite, cuprian, Mozambique#1164
The list of problems in the title makes this stone sound worse than it looks. The flaws are not under the table and the inclusion/poor crystal is not bad enough to stop the standard round brilliant from flashing. So this … Continue reading
Posted in Cuprian Tourmaline, Laurellite
Tagged color change, cuprian, laurellite, Mozambique, purple
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Fascinating green to golden brown color changing oval.#300
This tourmaline is unique in the collection. It is a color changer from golden brown in incandescent light and green in daylight. Neither color really grabs you, but the color change is hard to miss. I looked at the stone … Continue reading
Great green to blue droplet of color
This standard round brilliant has a great tone level for a small gemstone. It goes from a fine green in yellowish light to a fine blue in natural light. I would call it a color changer, but it is hard … Continue reading
Posted in Droplets of Color, Etc., Indicolite
Tagged blue, color change, droplet-of-color, green, indicolite
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The long and winding road of testing “Laurellite”
Laurellite is a name that I have given to a new variety of copper bearing Elbaite tourmaline from Mozambique, that demonstrates a Reverse Alexandrite Color Change from purple in natural light to blue to blue green in incandescent light. I … Continue reading
Laurellite and a gray day in Mars.
My best Laurellite under florescent light. (5.69 carats) Small oval Laurellite under florescent light. (5.39 carats) Large oval Laurellite under florescent light. (27.13 carats) I have a tray of stones home because I am writing posts about them. This … Continue reading
Posted in Cuprian Tourmaline, Laurellite
Tagged blue, bruce fry discovery, color change, cuprian, laurellite, Mozambique, purple, unique
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Big Oval Blue Purple that did not get away.#943
Buying tourmaline rough over the inter net or even in person can be an adventure. This large oval, at 27.13, carats is one of the larger gemstones in the collection. It was cut from a piece of rough that … Continue reading
Posted in Cuprian Tourmaline, Laurellite
Tagged blue, bruce fry discovery, color change, laurellite, oval, purple
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