Tag Archives: color change

The history of a purple/blue piece of rough and speculations.

What I will be posting today is just the beginning of an interesting tale of fail opportunities and hoped for successes.  To set the stage for this notable piece of rough, I have to give a brief run down of … Continue reading

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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

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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

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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

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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

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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

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The Laurellite “discovery” gemstone. Cuprian tourmaline from Mozambique#944

This GEM, exceptional gemstone, started my path in helping discover copper bearing tourmaline from Mozambique.  I gave her, Laurellite, as a name that is based on my older daughter’s name, because this exceptional, new variety of Elbaite, deserves a pretty … Continue reading

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After the ball was over. Large, blue purple, cuprian, Laurellite oval#943

Prior to the discovery of copper bearing tourmaline in Mozambique I had a ball.  I was seeing blues, purples, and greens like never before, at prices that I could afford.  I also had a good connection to Afghanistan and their … Continue reading

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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

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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

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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

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A bit of my life and the start of a great adventure.

  The following tourmaline tale of sad and glad was written in April 2002 and though the set up is fictional, the stone discussed (posted above) and the events in the tale are real.  It turned out to be a … Continue reading

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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

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I Am Not A Heater and the first “Laurellites”

April 10th 2009 I keep reading literature on heating cuprian Elbaite with a growing sadness. I am reading about the demise, that I knew was taking place, of a new variety of Elbaite that is little recognize, appreciated or conserved. … Continue reading

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Color Change/Shift in Red Tourmaline

Feb. 27th 2010 The first well known feature of some red tourmaline is that it de-saturates under incandescent light and turns brownish. This is not desirable and has cause the use of the variety name Rubellite to be only acceptable … Continue reading

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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

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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

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