Greatness is in the eye of the beholder. Bright, Green, Cuprian, Round.#148

Included, Very Bright, Non Dichroic, Medim Toned, Green, Round.  #148 This standard round brilliant has an exceptionally bright medium green color. It is included, but they are really overwhelm by the beauty of this gemstone. It weighs 6.03 carats. Cuprian.

This is a beautiful gemstone.

There are many movies, books and even myths, about a creative person paying their dues and striving for greatness, but would not have made it, without the help of someone who believed in them.

I believed in this standard round brilliant the moment it was clean up after I finished faceting it.  I had not paid an exceptional amount for it or had any exceptional expectations, when I preformed it.  Yes, it had a great green color that was not dichroic.  It also had a pretty uniform wave of thread like inclusions that did not promise great crystal or brightness in the finished gemstone.  And then it looked at me and all the inclusions melted away in the gaze of brilliant green glory.  I was in love and I had to know why my intended was the way she was.  Now we need a flashback to appreciate my amazement.

A long time ago, somewhat after the extinction of the dinosaurs, I had leaned to facet in the backyard of man who knew how to teach.  I fell in love with faceting that day and also absorbed my teacher and other’s ideas about what was quality in material worth faceting.  To be flawless was the goal of every stone.  It might not be attainable all the time, but it was what WE should shoot for.  Well as I grew to love tourmaline with all its colors, that commandment began to weaken, and this profound round turned me to the side of color, included or not, forever.

The rough for the profound round had been purchased before copper was discovered in samples I sent the GIA.  So there was no separate standard for cleanliness in cuprian tourmaline, that developed later, to try and meet the demand for cuprian tourmaline with something resembling facet grade rough.  Without a tolerance for inclusions, the price for even colorful material was significantly restrained by the level of inclusions.

There also was another complications in the evaluation of this new colorful rough.  It was completely frosted from being deeply water worn, which made finding out about the internal purity of the pebbles more difficult and concealing any hints of the rough’s neon nature.  Especially if you weren’t looking for it in the first place.

So now back to the time when I finished cutting the profound round.  I did not suspect that it contain copper, because many people with much deeper pockets had searched high and low for cuprian tourmaline, since Paraiba had risen in status and price.  Why would I be so lucky to make such a discovery?  Still something was different.  During this same time frame, I had cut a couple of very unusual tourmalines that had a reverse Alexandrite color change phenomenon.  Plotting with a dealer, I prepared the GIA for the arrival of the gemstone that would later prove to be the first sample of tourmaline from Mozambique that was shown to be both gem quality and possessing copper as a chromophore.  I now call the new variety of tourmaline “Laurellite” and you can read about it in other post on this site.  So I had an inclination that my profound round might be cuprian, but how to prove it.

I looked into having a gemological laboratory test for copper and they wanted hundreds of dollars, (It has since gotten better)  That was out of the question since I needed all my resources to buy increasingly expensive, colorful, now maybe cuprian, tourmaline.   After the GIA has finished their work with Laurellite and published two articles in their Gems and Gemology magazine, I sent a Laurellite to a researcher on the west coast.  He worked with spectrometry and color in gemstones, so after we publish an article on Laurellite in a British gemmological magazine, I made arrangements to visit him.  I had very little time to actually have anything tested,( I had the collection along) and the only gemstone I picked out of all of them was the profound round.  Now as I have posted and there are scientific articles about it, spectrometer can determine the existence of copper as a chromophore in tourmaline.  Unfortunately you have to be able to “see” into the very near infrared to determine copper in tourmaline and his spectrometer was deliberately limited to only the visible wavelengths.  So the profound round gave the right partial set of absorption peaks, but it was not definitive.

Finally it was left to me, to purchase a new solid state spectrometer with a broad enough range of sampling, to see the complete picture.  The profound round is cuprian. ( along with quite a few other colorful gemstones from that era).  The mystery of the extra bright, even though it is included, green round has been solved.  I had faith in it and it will be with me until I am no more.

The profound round weighs 6.03 carats and is beautiful in some eyes.

Bruce

 

About Bruce Fry

I was born in Summit, NJ in 1947 and graduated from Summit High School in 1966. I graduated from the Colorado School of Mines in 1970 and after spending another year in graduate school, I left to see the world of Brazil. After spending some more time discovering myself, I ended up working for the Commonwealth of Pennsylvania for 32 years as an Air Quality Engineer in the Department of Environmental Protection. I retired in 2007 and took up faceting gemstones again after a long hiatus that reached back to my twenties. I had started cutting cabochons when I was 13 and bought my first faceting machine when I was 15, but ran out of money and time until I retired. My great love in gemology is tourmaline and the collection presented here represents my effort to get as much beauty and variety in the colors of tourmaline as I can. I was particularly lucky in being able to get unheated cuprian tourmaline before copper was discovered in gem grade tourmaline from Mozambique.
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