Tag Archives: colorless

Achroite it is by a hair, oval.#740

Voting on whether an almost colorless tourmaline is an Achroite of just a member of the IceT group can get political.  This very nice eye clean oval might just have enough to be a very very weak wheat, but the … Continue reading

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Achroic, colorless round from Afghanistan#1167

This standard round brilliant is colorless and without inclusions.  It came from Afghanistan and really does produce  some of the purest tourmaline in the world.  The biggest draw back to colorless tourmaline, as a gemstone, is its lack of dispersion, … Continue reading

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Exceptional Rubellite Unique to the Collection Round.#1162

Deeply cut bicolor, colorless crown, red pavilion, 6.60 carats. Nice longer ratio emerald cut with bright red c axis, 4.51 carats This is a GEM, an exceptional gemstone.  It has everything including a secret.  But first a question.  How do … Continue reading

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Beautiful tricolor, pastel blue green, colorless, pink emerald cut. Afghan #80

This is a beautiful gemstone and the largest of the three examples I got threw a dealer that had direct connections with Afghanistan.  He was also a cutter, but had found them too fragile for his heavy hand.  I was … Continue reading

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A beautiful tricolor, blue green, colorless, pink, emerald cut. Afghanistan. #70

This is a beautiful gemstone.  I was given the opportunity to buy this tricolor rough because it is fragile like many bi and tri color tourmaline.  I was successful in cutting this long ratio emerald cut, but it needed to … Continue reading

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Achroite under any reasonable light, round.#609

I have a number of standard round brilliants that were cut from a lot of Afghanistan material I purchased years ago.  I could see a touch of blue in part of the lot, that use to be half of a … Continue reading

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Afghanistan Achroite with an eye clean heart.#793

This Achroite from Afghanistan may have a touch of blue, but with my old yellow eyes, I can’t see it.  The round standard brilliant is eye clean and can not anything by bright.  It weighs .48 carats. Bruce

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From light blue rough comes a Achroite, Afghanistan#784

A small standard round brilliant that is very brilliant.  It is pure water white and came from rough that you could see just a hint of blue in.  Well I can not see it now, so I am changing the … Continue reading

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Bright water clear round.#774

Keeping in line with past decisions, this extremely bright and flashy Achroite standard round brilliant  will accept no invitations to join any groups.  It might of had a history of being very lightly blue, but that is in the past.  … Continue reading

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Another round of Achroite for the boys.#765

I think that I saw a touch of blue in this standard round brilliant, in the past, because I could see it in the rough.  Now I  only see one of the brightest, purest water white Achroites I have cut.  … Continue reading

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An Achroite, simply pure, colorless and open round.#526

My father use to tell me over and over again that nature abhors a vacuum to his profound enjoyment.  Well I think that nature abhors a tourmaline without color.  So I always question if an Achroite has been heated or … Continue reading

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When does colorless become white, round#506

When you’re dealing with transparent gems, I guess colorless is a better term than white to describe the stone.  Now if the transparent gemstone becomes less transparent because of a lower grade crystal and a network of internal flaws should … Continue reading

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This colorless (achroite) tourmaline is eye clean and bright, round#703

This .58 carat standard round brilliant is eye clean and from the same lot as #702 and I refer you to the preceding post for a better description of this stone. Bruce

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A very bright eye clean achroic (colorless) round Afghanistan#702

Afghanistan produces some of the most outstanding tourmaline in the world.  It is amazing to me how the pastel colors it produces can be so pure and bright.  This small standard round brilliant has a purity of being,without color, to … Continue reading

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Colorless Barion Cushion Cut, probably heated.

The piece of rough came via Thailand and was probably heated.  I used the colorless rough to make my first trial run with the Barion Cushion Cut Pattern.  It all came out well and the colorless tourmaline (achroite) is part … Continue reading

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Possibly heat colorless oval

This colorless oval could have possibly been heat treated since it went threw  Thailand from where ever it was mined.  The principle reason I purchased the rough was to see if heating effect it, in a way that I could … Continue reading

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Achroic, a colorless call in tourmaline#923

Now you have to be careful when you’re evaluating color in a very pale gemstone, it can catch its apparent color from the world around it.  Now an emerald cut is a color cut, so thousands of facets and magnificent … Continue reading

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Smaller whiter round#917

    I probably shouldn’t spend much time on a color less .40 carat round standard brilliant, but I have been force to compare several Achroites while writing and this little gem is the whitest of the bunch.  Afghanistan has … Continue reading

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Achroite small round#915

  This small standard round brilliant probably came from Afghanistan.  It has a  rather flat crown and is simply without color.  It is not clean, but has not large naturals.  It came from the center of a crystal with a … Continue reading

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Achroite round a ghostly gem#903

  Achroite is an old trade name for colorless tourmaline (Elbaite).  It is from the Greek, like many names, and it is a find name, but one I have had made relatively little use of.  Why you might ask.  Well … Continue reading

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