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Tag Archives: cuprian
Gigantic paraiba type gemstones for millions.
I put museum grade tourmaline in the search engine and away I went. I found two gigantic (around 50 to 60 carats each) faceted tourmalines called “paraiba” because they contain trace elements of copper and manganese and were within a … Continue reading
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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A medium toned purple with significant flaws.#281
This standard round brilliant is typical of the type of cuprian tourmaline that became available after the world was introduced to its beauty. About half of it is clean and flashy while the rest is so included that it obstructs … Continue reading
Posted in Cuprian Tourmaline, Etc.
Tagged cuprian, medium, Mozambique, outstanding, purple
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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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Brown, long ratio oval, table perpendicular to principle axis. cuprain #268
I like this oval’s color. It is the closest to a pure brown in the collection. I does approach brown from the yellow side, but it has no pretenses of having a fancy name. It has a nice even color, … Continue reading
Posted in Cuprian Tourmaline, Dravite, Etc., Orange
Tagged brown-orange, cuprian, dravite, orange, oval, unique
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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
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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A very bright, non dichroic, medium toned, emerald cut. cuprian.#438
This pastel green with a touch of blue, emerald cut stands out in the tray of green emerald cuts. It has a great medium tone and a very bright eye clean look. I discovered that this gemstone has copper in … Continue reading
Posted in Verdelite
Tagged blue-green, cuprian, emerald cut, green, Mozambique, non-dichroic, pastel, verdlite
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Lightly included, pastel yellow washed with green, oval. cuprian#419
This is another gemstone that I did not buy as cuprian, but my spectroscope uncovered the proper absorption curves. It is very clean for a cuprian tourmaline from Mozambique, with only a very few light inclusions that do not effect … Continue reading
Posted in Cuprian Tourmaline, Etc., Yellow
Tagged cuprian, green-yellow, Mozambique, oval, pastel, yellow
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Included purple oval with blue areas, Mozambique, cuprian#1192
This oval is pretty heavily included and the inclusions do effect its crystal quality and flash. Still it has the rare color purple and the added interest that it has blue areas in the gemstone. This stone pushes the cleanliness … Continue reading
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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Lavender without copper, grayed and slightly included, emerald cut.#1117
I love purples derived from copper and manganese in tourmaline, but I never wanted them to be my whole purple world. Therefor I have set sail many times on the quest for any purple with a challenge, are you out … Continue reading
Medium toned purple with a bit more pink round cuprian.#43
The rough, for this standard round brilliant, was probably heated to lighten its original dark reddish purple color. The heating gradually reduces the reddish component in the color. This medium toned, lavender pink round is eye clean and with fine … Continue reading
Posted in Cuprian Tourmaline
Tagged cuprian, Mavuco, Mozambique, pink-purple, purple
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A medium tone purple with pink passion, round, cuprian#42
This standard round brilliant was probably heated to lighten its original, dark reddish purple, color. The dark reddish purple tourmaline was the only really clean material, originally found at Mavuco, Mozambique. This excellent example of purple tourmaline with a … Continue reading
Lightly toned well saturated lavender oval, cuprian#41
The rough for the lightly toned lavender was cut from a large dark purplish red nodule that had been heated to lighten it. It would have probably gone completely light blue if the heating continued. The blue is from … Continue reading
Medium toned, lightly included lavender droplet of color, cuprian #11
I love lavender tourmaline and can turn a very deaf eye to their inclusions. But with this standard round brilliant I don’t have to. It has some fine scatter, a but it is pretty transparent and flashy. The color has … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color
Tagged cuprian, droplet-of-color, lavender, Mozambique, purple
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Eye clean with good crystal, lavender droplet of color, cuprian#1
I usually don’t advertise the gemstones cleanliness in its title, but with cuprian tourmaline it is a question with every stone, no matter how small. I am sure that I purchased the rough and finished the standard round brilliant before … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color
Tagged cuprian, droplet-of-color, lavender, purple
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Included watery blue cuprian round.#141
need picture 141 The rough for this standard round brilliant was bought before copper was discovered to be in gem grade tourmaline in Mozambique. It has a good number of inclusions and not very good crystal. Still I was in … Continue reading
Posted in Cuprian Tourmaline, Indicolite
Tagged blue, cuprian, indicolite, Mozambique
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Cuprian, medium toned, shift blue green round.#138
The top grade cuprian tourmaline that came out of Mozambique can be much larger and cleaner than the vast majority of Paraiba material from Brazil. But in both deposit, included material represented the vast majority of the production. I lowered … Continue reading
Posted in Cuprian Tourmaline, Verdelite
Tagged blue-green, color-shift, cuprian, green, Mozambique, verdelite
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Include sleep time purple with an attraction to me, oval#130
My principal dealer out of Africa still manages to pick up a few cuprian tourmaline pieces of rough (2013) and I keep spending too much for too little because of my purple addition. I bought the rough for this gemstone … Continue reading
Posted in Cuprian Tourmaline, Cutting Tourmaline, Etc., Laurellite
Tagged cuprian, cutting tourmaline, laurellite, oval, purple
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Lavender Tourmaline, Lavender Tourmaline, Shield Cut, Cuprian#196
It is probably unnecessary and maybe even childish to type the same color before tourmaline twice in the title of this post. It is just a way to express how important this color is in my world of color in … Continue reading
Posted in Cuprian Tourmaline, Indicolite
Tagged cuprian, lavender, Mozambique, shield
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Bright cool refreshing mint blue green, cuprian round#184
Another unexpected copper discovery with my spectrometer that is in a much more desirable (expensive) color, minty blue/green. The eye clean stone has a very bright, medium light pastel color, but really does not have the neon look to me. … Continue reading
A yellow with a wash of green, cuprian round.#182
This is another gemstone that I did not buy as a cuprian tourmaline. I discovered it with my spectrometer. It has just the faintest inclusions that don’t effect the beauty of the stone at all. But then again, I don’t … Continue reading
Medium rich green with slight inclusions, cuprian droplet of color.#175
Of all the colors I explored with my spectrometer for copper, the most discoveries of copper were made in greens. I also had quite few indications of copper in pink/red, but there are technical issues with that color of tourmaline … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color, Verdelite
Tagged cuprian, droplet-of-color, green, verdelite
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Slightly included, nicely saturated, yellow green, cuprian, droplet of color.#174
I was most fortunate to be in the hunt for different colors in tourmaline, when Mozambique began to produce cuprian tourmaline. Then it was years before the copper bearing nature of the deposit was revealed in a reverse Alexandrite color … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color, Verdelite
Tagged cuprian, droplet-of-color, green, Mozambique, verdelite, yellow-green
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The droplets of color demand this green with golden wash, cuprian round.#165
This standard round brilliant is a nice, eye clean, gemstone with a flashy, medium dark tone green, that is a bit on the yellow side. I found out that this round was cuprian because I tested it with my spectrometer. … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color, Etc., Verdelite
Tagged cuprian, droplet-of-color, golden green, green, Mozambique
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Yellow washed in green, cuprian oval. #71
This apparently eye clean and very bright oval is mostly yellow with a wash of green. I discovered, with my spectrometer, that it contains copper as a chromophore and that is interesting. But I don’t know how much difference it … Continue reading
A great, clean, yellow green piece of eye candy, copper bearing round. #62
This is a beautiful gemstone. Its acid yellow green color seems to burn a hold threw the little plastic box I store it in. Its medium toned splendor is augmented by having copper as a chromophore in its chemistry. I … Continue reading
Posted in Cuprian Tourmaline, Verdelite
Tagged cuprian, green, neon, outstanding, yellow-green
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Greenish yellow and a tale of discovered copper, round #61
This yellow tourmaline with a green wash does not have particularly good crystal, because it has a wide assortment of faint wispy feathers. It is flashy and about average in brightness, despite the fact, that yellow greens usually have higher … Continue reading
Cuprian, light yellow, round#644
I did not buy the rough for this gemstone as cuprian and I did not know it was cuprian until I check it out with my spectrometer. I have no idea whether the copper content effects the color of this … Continue reading
Posted in Cuprian Tourmaline, Etc., Yellow
Tagged cuprian, Mozambique, unique, yellow
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Copper plus manganese equals a well saturated purple, round#641
No one should get too blase about well saturated purples in tourmaline. It is rare and always will be rare because the saturation, if not the actual color, is dependent on both copper and manganese chromophores. Manganese is pretty common … Continue reading
Included pinker shade of cuprian tourmaline, Mozambique#631
This pink definitely has the glow of copper’s purple and it has been confirmed with my spectrometer. It is included, but the medium light, well saturated, standard round brilliant is still bright and flashy because most of the area corrupted … Continue reading
Cuprian, Purple droplet of color from Mozambique (included)#630
A very nice rare color in tourmaline, I call purple, needs copper to being it to the level of saturation that I see in this standard round brilliant. The inclusions, which frankly are expected, can not draw me away from … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color, Etc.
Tagged cuprian, droplet-of-color, Mozambique, purple
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Clean, Bright, Cuprian, Purple Punch, droplet of color.#619
I think that I have posted about how forgiving I am with purple tourmaline that are cuprian. Well this standard round brilliant just shrugs the concern off with a great eye clean body and a sparkling bright purple personality. A … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color
Tagged cuprian, droplet-of-color, Mozambique, purple
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Included pink with a speck of purple, dot of color.#603
It is amazing to me how much being “in” can matter when it comes to price. I truly love cuprian tourmaline, but only stones with higher quality colors should warrant a big differential in price. (in my opinion) When I … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color
Tagged color dot, cuprian, pink, purple
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Snappy, sassy, cuprian, pinkish purple, but still lightly included oval#549
When it comes to cuprian tourmaline with a great pinkish purple color, I am very forgiving with cleanliness, but in this case I don’t really have to be. It has a moderate tone level, which is beautifully complemented by just … Continue reading
A medium pastel blue with a touch of gray oval cuprian#539
I did not buy the rough for this oval as cuprian. It was too early in the game. Later, I did not expect this somewhat different blue, with a touch of gray, to be cuprian because it does not have … Continue reading
Posted in Cuprian Tourmaline, Etc., Indicolite
Tagged blue, cuprian, Mozambique, oval, pastel, sapphire
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Cyan blue and cuprian rich emerald cut.#525
This smaller emerald cut is a GEM (outstanding gemstone) and was one of the first gemstone from Mozambique that I got, that proved to have copper in it. It has such a bright neon look that I knew it was … Continue reading
Posted in Cuprian Tourmaline, Etc., Indicolite
Tagged blue, cuprian, cyan, emerald cut, Mozambique, neon, paraiba
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Large Exquisite Purple Round, One of the Best Tourmalines in Collection#291
When I started faceting again after a long hiatus, one of the colors I wanted very much was bluish purples. I could get purples as shades of pink and red, but to go to the blue side was unattainable. Then … Continue reading
Posted in Cuprian Tourmaline, Etc., Laurellite
Tagged blue-purple, cuprian, laurellite, outstanding, purple, unique
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Copper and Purple hand in hand, round#281
I usually put included before everything else when it is a definite factor in the gemstone, but with cuprian purple it is a different ball game. Purple ,like this stone has, requires copper if it comes from Mozambique, I think. … Continue reading
Slightly included, gorgeous, lavender round, that is cuprian.#271
I don’t believe that this saturated (purity of color) a purple exists in tourmaline without a copper component in its chemistry. (I think it maybe possible with iron and manganese and I haven’t seen it all, so who knows for … Continue reading
Included bright medium toned apple green emerald cut, copper bearing
I did not buy the rough for this included emerald cut as copper bearing. I liked its medium toned blue green to apple green color despite its included grade. I usually try not to cut emerald cuts with inclusions under … Continue reading
Cuprian, nice pastel yellow standard round brilliant.
This bright medium toned yellow does not have copper in its composition. This bright medium toned yellow has copper in its composition (detected with spectrometer) This medium light pastel has exactly the same color as #322 and yet my … Continue reading
Medium Pink with just a hint of violet, cuprian round.
This one is for the books. A standard round brilliant that looks so medium pink that I need to compare it with other pinks, to see the cuprian violet in it. And I bought this stone as cuprian. The lack … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color
Tagged cuprian, droplet-of-color, pink, violet
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Included, flashy, medium blue round that is cuprian.
Some stones will always make me smile and stay with me until I can not remember them anymore. This memorable deeply cut round started out in my possession as a water worn pebble that was sold to me as low … Continue reading
Posted in Cuprian Tourmaline, Cutting Tourmaline
Tagged blue, cuprian, cutting tourmaline
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Lavender IceT that is a droplet too. Copper Bearing
Sometimes it is not too bad to be small. I am a standard round brilliant and I am in demand because I am lavender and eye clean. I just wish that the IceT group didn’t think I belonged. I hate … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color
Tagged cuprian, droplet-of-color, IceT, lavender, pale, purple
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Violet droplet sighted on the starbord side, captain.
It has been a long journey for this smaller and included gemstone to reach safe harbor in a plastic box in my collection. In a distant land, awash in gemstones, the secret of its color was undiscovered. Then some natives … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color, Etc.
Tagged cuprian, droplet-of-color, paraiba, purple, violet
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A lighter lavender with a selection of moderately light inclusions, round
Lavender, in the words of a poet, is copper’s sweet song of seduction in tourmaline. It seduces me into accepting flaw material that would be questionable in other colors of tourmaline. And when I am reward with an included gemstone, … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color, Etc.
Tagged cuprian, droplet-of-color, lavender, Mozambique, purple
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Happily it is pink purple time again at the cuprian bar, oval
This example of a color that is owned by the cuprian bar is only slightly included. That makes it the toast of the town and puts many other pink purples from Mozambique to shame. Still she doesn’t have the best … Continue reading
Sultry, bright, included, pink that may have copper droplet.
\This standard round brilliant is included like most of the rich sultry pinks are. I saw some indications of copper with my spectrometer in this gemstone, but I can not confirm the finding because my instrument tests too narrow a … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color, Etc., Pink
Tagged cuprian, droplet-of-color, pink
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Great, cuprian, eye clean, yellow round.
This standard round brilliant is a great gemstone. It is eye clean and has a medium light pastel yellow that is reasonably stable in any white light. No greenish yellow here, but it can not compare with the sharp saturated … Continue reading
A shade of pink purple owned by copper, droplet of color
Color in tourmaline is truly a wonderful trip, but you have to be careful about coming to conclusions about its chemistry based on color alone. Two areas of major confusion are the coloring of Dravite the species with either chrome … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color, Etc., Pink
Tagged cuprian, droplet-of-color, pink, purple
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There are bound to be inclusions with purple, cuprian, droplets of color
I have one museum stone that is eye clean and the purple of a life time. I also have clean paler purple tourmalines that probably were partial heat treated from large, dark toned, reddish pebbles, that were found very early … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color
Tagged cuprian, droplet-of-color, purple
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great color, purple, I know this is cuprian, droplet of color.
I don’t need a spectrometer to know that this standard round brilliant is cuprian, though I did check it out. It is written in the purple color of its being. I could use a fancier name for purple, but I … Continue reading
Stormy purple droplet of color.
c The rough for this standard round droplet of color came from Madagascar. It is a rather peculiar grayed purple that I have more examples of. I get the feeling of a cold austere soul that will join the droplets … Continue reading
Posted in Droplets of Color, Etc.
Tagged cuprian, droplet-of-color, Madagascar, purple
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PInk with just a touch of violet droplet of color.
This standard round droplet of color is not eye clean, but the stone is still bright. I actually bought this small one because it contains copper. When I saw it finished I wonder if it was truly cuprian. When I … Continue reading
Included Pastel Lilac from Copper Oval
Looking at this delicate lilac oval whose color is a blessing from copper and comparing it to the exact same material in an oval half it size points up somethings about pastels. While darkly toned material can get too opaque … Continue reading
Copper bearing rather steely blue to green round.
This standard round brilliant has pretty good crystal even though it is lightly included. Its color is unstable, blue to green depending on how yellow the light is. My spectrometer found that this tourmaline is cuprian, though it does not … Continue reading
Favorite green in the collection is a fighter, round.
Now to be the favorite green in this collection is saying something and it did not come easily. I purchased the rough for this gemstone well before copper was discovered in tourmaline from Mozambique, in “Laurellites” I supplied the GIA. … Continue reading
Posted in Cuprian Tourmaline, Etc., Verdelite
Tagged cuprian, green, Mozambique, neon
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Included, medium sized, copper bearing round.
When I cut this moderately heavily included round I had no idea that it contained copper as a chromophore. I learned that later when I tested it with my spectrometer. It is a mildly attractive rather grayed green/blue under … Continue reading
Purple, Included, Purple tourmaline oval
The title is not a mistake made by my terrible typing. When I see a purple tourmaline that is rich and with good saturation, I know that I probably have a copper bearing gemstone and a rare color to boot. … Continue reading
Posted in Cuprian Tourmaline, Laurellite
Tagged cuprian, laurellite, Mozambique, oval, purple
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Cuprian Green Bright Round
This bright minty standard round brilliant has been found to contain copper. It is clean and eye clean. It tone level is a moderate light pastel and I would not call it a “neon” gemstone. I picked up the copper … Continue reading
Wow, Neon, Cyan, Cuprian, Emerald Cut#1088
Long before copper was discovered in gem quality tourmaline from Mozambique, the rough for this gemstone came up on a special page on the dealers web pages. It was used to present newly arrived material, that missed the last set … Continue reading
Blue purple included round,cuprian#999
The title is frank and earnest and will probably leave you completely unprepared for my outburst. I love this stone, I love this stone, I love this stone … This purple floats around like all purples do under different … Continue reading
Surprising mint green droplet#974
This droplet tried to make the big time in a piece of custom jewelery, but I ran out of money. When it came home I tested it with my new spectrometer and I finally understood why I really liked … Continue reading
Posted in Cuprian Tourmaline, Droplets of Color, Verdelite
Tagged cuprian, droplet-of-color, green, unique, verdelite
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Achroite with a secret#966
There is always a danger in seeing what you want or expect to see in a pale colored stone with tourmaline. Many to most tourmalines have two colors (a/b and c axis) and those colors can be quite sensitive to … Continue reading
Posted in Achroite, Cuprian Tourmaline, Etc.
Tagged achroite, blue, cuprian, purple, unique
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Blue Included cushion cut that is cuprian.#961
This is an interesting stone. I bought it after my supply of cuprian tourmaline had pretty much dried up. I continued to buy the smaller more included cuprian material that became remained available, because I am always looking for … Continue reading
Posted in Cuprian Tourmaline, Indicolite
Tagged blue, cuprian, cushion cut, indicolite
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Purple Oval of Copper Bearing Beauty#959
I love this stone, I love purple in tourmaline, I love copper bearing tourmaline and I love getting a nice stone for a decent price. I consider this medium shade of purple to be only found in copper containing … 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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Moderately included Laurellite round#947
This round is more included than I like and is part of the collection because it is a color changer and a rare color, I call it Laurellite. (see other post for more of the story of Laurellite. It is … Continue reading
Posted in Cuprian Tourmaline, Laurellite
Tagged blue, bruce fry discovery, cuprian, laurellite, purple, unique
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A purple to blue called “Laurellite” by me.#926
This smaller emerald cut is not pure and has somewhat muted colors, but is very exciting to me. You have to work with lighting to appreciate the special place this unheated cuprian tourmaline from Mozambique holds in the world … Continue reading
Posted in Cuprian Tourmaline, Laurellite
Tagged blue, bruce fry discovery, cuprian, emerald cut, laurellite, purple
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Duo-blue/green, A portrait of a star in the tourmaline heaven#942
The rough for this exceptional gemstone came as an after thought with the most outstanding purple piece of tourmaline I have ever seen. (the name Duo-blue/green coming from being one of two pieces in the lot) The purple … Continue reading
Posted in Cuprian Tourmaline, Indicolite, Verdelite
Tagged bi-color, blue, blue-green, cuprian, green, round, unique
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An cuprian oval with mixed colors and a radioactive past
In the quest to completely fill the color wheel with tourmaline examples, the hardest range of colors is blue/purple. When Africa began to produce lavenders to purples that could be slipping into the blue purple range I really tried … Continue reading
Large pear shaped paraiba type cyan colored tourmaline#941
This is one of the most important gemstones in the collection. It weighs 13.90 carats and is the only pear shaped stone in the collection. A friend of mine designed the cut to maximize the yield from the rough and … Continue reading