Tag Archives: closed-c

closed ended with poorer crystal, flash driven blue emerald cut.#443

The emerald cut is an Indicolite, because its blue flash does not drift toward green.  It has decent flash that seems to be inhibited by poorer quality crystal.  Having closed and steeply cut ends doesn’t really effect the stone.  It … Continue reading

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Slightly included average green emerald cut with closed ends.#424

This smaller emerald cut is slightly included, but has fine crystal and is unaffected by the inclusion.  It has closed ends and with steep angles.  It has an average, medium dark tone level,  green color and weighs 1.20 carats. Bruce

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Average green, closed ended, emerald cut.#423

This gemstone is a middle of the road green emerald cut with closed ends.  It appears to be eye clean and has nice crystal, but the color is not exceptional.  It weighs 2.89 carats and has a medium dark tone … Continue reading

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Great green, closed ended, medium dark, emerald cut.#421

This stocky emerald cut looks rather like an octagon with the corners cut off so much, because of the steep angles on the ends of the stone.  But it seems to produce a great showing of this gems superior flash … Continue reading

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Sharp crystal like clarity, green, closed ended emerald cut.#418

I stopped a moment to try and come with a better description of what this stone looks like (including other eye clean and well saturated greens.).  Just saying that it is probably eye clean or with fine crystal doesn’t seem … Continue reading

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Closed ends with normal angles, green emerald cut.#415

This small emerald cut has normal angle even though it has closed ends.  It does show darker areas at each end of the emerald cut and the flash is different.  It still has a nice green flash and can be … Continue reading

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Closed ended with classic yellowish green color, emerald cut.#414

This emerald cut is an excellent representative for its class of tourmaline.  It has the following properties. 1,  Strongly dichroic, with a closed c axis. 2, Well saturated slightly yellowish green a/b axis. 3, Cut with steep ends to minimize … Continue reading

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Well saturate, eye clean, closed ended green emerald cut#406

This emerald cut is the best you can cut from the world of small highly dichroic green tourmaline crystal that nature has produced.  It has the typical well saturated yellow green in a medium tone level, which is good for … Continue reading

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Closed ends but a great green emerald cut.#410

This emerald cut has steeply cut ends, but that doesn’t stop the a/b color from being exceptional.  Its beauty is helped by being eye clean and with fine crystal. It medium dark tone is very rich and smooth.  It weighs … Continue reading

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Included green emerald cut with closed ends.#403

This face up visibly included green emerald has a nice clean color. It has a medium dark tone level with closed ends.  It weighs 1.18 carats. Bruce

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Long ratio, narrow, blue emerald cut.#1197

This long ratio and slender emerald cut has closed ends.  Still the long ratio minimizes the darkness and the stone has a medium toned blue flash.  It appears to be eye clean and weighs .64 carats. Bruce

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Spicy yellowish green medium plus tone level, emerald cut

The long ratio of this narrow emerald cut minimizes the closed ends and put forward a nice medium plus tone level of spicy green.  It appears to be eye clean and weighs.1.32 carats. Bruce

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Closed ends does not make a dull green tourmaline, emerald cut#1159

This emerald cut is alive with nice flashes of classic yellow green color.  It does have completely closed ends, and is cut with steep ends, but it never was too dark or dull.  It appears to be eye clean and … Continue reading

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Small, closed ended, blue to blue green emerald cut.#1153

This is a pretty emerald cut that has a very nice medium dark toned blue to blue green color.  It has closed ends and steep angles on the ends.  It weighs .72 carats.  It appears to be eye clean. Bruce

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Blue toward green color shifter, closed ended, emerald cut.#1139

This longer ratio emerald cut is blue in day light, but makes a strong sift toward green in my yellowish light.  It appears to be eye clean and has good crystal.  It dark tone level and closed ends makes the … Continue reading

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Closed ends with steep angles blue green emerald cut.#384

This emerald cut has closed ends.  The medium dark tone and steep ends reveal a well saturated blue green body.  It appears to be eye clean and with fine crystal.  It weighs 1.90 carats. Bruce

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Crown jewel, a Blue Emerald Cut, in Lot from Namibia#381

This is a beautiful gemstone.  It came in a lot of over a dozen pieces of rough that I bought privately from my principle African deal.  At the time it seemed to be a continuance of steady production from Namibia, … Continue reading

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Closed and steeply cut ends on a slightly greenish blue enerald cut.#375

Steeply cut ends help mitigate the closed ends on this blue with a touch of green emerald cut.  The medium toned blue does not seem as saturated as the best material from Namibia.  It appears to be eye clean and … Continue reading

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Medium blue with steep ends, emerald cut#351

Steep ends minimizes the darkness from the closed c axis of this medium blue gemstone.  The stone appears to be eye clean and of fine crystal.  It weighs 1.23 carats and stays blue even in the yellowish light. Bruce

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Tower of Green Power Emerald Cut with Dark Ends.#761

To cut a nice gemstone from tourmaline that has closed ends (very little if any light is transmitted down the principle, c, axis.)  restricts your options as a cutter.  The choice of the emerald cut is essential for minimizing the … Continue reading

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Closed ended blue green emerald cut.#749

This emerald cut has normal angles on its ends despite being closed ended.  I prefer the flash better on normally cut emerald cuts even though the darkness edges in a little.  It appears to be eye clean and has a … Continue reading

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A heavily included blue emerald cut.

This emerald cut has a dull blue color that has a dark tone.  it is heavily include with flaws that look like part of the crystal did not grow together very well.  That and dark ends makes for a less … Continue reading

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A great and solid green emerald cut with dark ends.

Now no one wants dark ends, but if that is the fate of your tourmaline, than at least get one that has great color.  Well this longer ratio emerald cut tourmaline has one great solid green color.  Its medium toned … Continue reading

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Classic, longer ratio closed ended, yellow green emerald cut.

This longer ratio emerald cut appears to be eye clean and with good crystal.  The emerald cut’s ratio helps to reduce the impact of the close ends.  The ends are faceted with normal angles.  Its green color is the classic, … Continue reading

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Classic, stable green, emerald cut with dark ends and a radial fracture.

Many tourmaline crystal have radial fractures (perpendicular to the c axis) that limit the yield from a crystal.  Even if they are not noticeable in the finished gemstone because of the of its rich tone value, they should be removed, … Continue reading

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Longer ratio blue to green emerald cut.

The longer ratio in this emerald cut reduces the visual impact of the darker ends that are cut with standard angles.  It is a bit included toward the keel, but the gemstones richer tones obscure them.  Its color floats between … Continue reading

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Dark ends on a dark grass green colored emerald cut

This is a classic darker grass green emerald cut.  It has dark ends, but normal angles.  It longer ratio helps to keep the emerald cut from being too dark.  It appears to be eye clean and with good crystal.  It … Continue reading

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Smaller blue green emerald cut with closed ends.

This blue green emerald cut obviously has dark closed ends, but I cut it with the normal angles.  I think it makes a better stone (easier to set) even if the darkness invades the center a little more.  The gemstone … Continue reading

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Dark Ends and Passionate Green Emerald Cut

In tourmaline it isn’t always easy being green.  You may have closed ends and have a problem finding a cut, outside of an emerald cut.  Even when properly cut, your window of transparency and flash is limited and rejection can … Continue reading

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Smaller green emerald cut with closed ends.

There is some blue shifting in this modest green emerald cut.  It has closed ends, but is cut with normal angles.  I personally like the improved flash with normal angles even if the darkness encroaches a bit more from the … Continue reading

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Clean rich tourmaline green in a closed ended emerald cut#1094

The combination of a pure rich tourmaline green with a touch of yellow and closed ends produces a very modern look in an emerald cut with steep ends.  The steep ends produces a pattern of flash where alternate bars of … Continue reading

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Small Darker Blue Green Emerald Cut.#1020

  This smaller emerald cut is darken by closed ends, but has a good blue color blend with green.  It appears to be eye clean and has some flash in the corners which comes from having normal angles on the … Continue reading

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Solid down to earth green emerald cut#1017

  In 1968 I returned home from Golden Colorado via Yellowstone and Niagara Falls, after taking a surveying course.  I had stayed in cheap motels and eaten fast food so I had a little money left over.  My home was … Continue reading

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Cutting a stubby tourmaline with a closed c axis

As of August 2013 the supply of quality tourmaline available to the custom cutter  and coming out of Africa, has probably hit a new low.  I really don’t think much material is coming out of the rest of the world, … Continue reading

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Nice classic tourmaline green with dark ends.#930

  This 1.70 carat medium toned grass green emerald cut is a pure classic tourmaline.  It is eye clean as most material like this is and has the unfortunate dark ends that aren’t too bad in larger ratio gems like … Continue reading

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Large ratio green emerald cut with dark ends#918

  This green emerald cut is longer than I would like with its narrow width.  I generally do not get much rough that is dark in the ends and the crystals are too short to be split into two or … Continue reading

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