Tag Archives: bicolor

Bi Color stability aways a question.

I just finished a darker blue/medium blue that came threw like a champ.  It is only 5mm wide and about twice that in length.  I had to cut down a much longer crystal to just get the area of the … Continue reading

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Mixing yellow and pink for a peach oval.#287

This oval has a tender balance of color that I like to call dynamic.  Depending on the light some tourmalines certainly shift and even change color.  I think that it has not gotten the big play that Alexandrite gets is … Continue reading

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Great blue pink bicolor from Afghanistan.#947

This emerald cut is a beautiful gemstone.  It has a body that is a little over half pink with the remainder blue.  Both pastel colors have a great medium light tone value.   It appears to be eye clean and of … Continue reading

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A yellow green bi color that appears to be eye clean, emerald cut.#450

I love this stone.  It is a wonderfully subtle, but effective mixture of about 2/3 medium toned green and 1/3 quite pale yellow.  It is as bright as an emerald cut can be with superior crystal and the complete lack … Continue reading

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Pale pink oval with frisky yellowish spot.#1188

This rough for this gemstone is from Nigeria and I have seen quite a bit of it.  The body is a nice pink, but some faces of the crystal have a yellowish green layer on them that appears to have … Continue reading

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Really a tourmaline? Purple green bicolor, round.#1168

First of all, cutting a round out of a bicolor is not the “normal” way of bring the best out it.  But the rough was unbalanced and so stubby that to cut an emerald cut would not show the colors … Continue reading

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Pink center and blue ends makes a different oval.#1160

A unique gemstone in this collection must have a interesting story.  I cut away a good part of this oval’s story, when I preformed this oval.  It had been a rather flat section of a watermelon tourmaline with a pastel … Continue reading

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Pure tourmaline magic, Blue capped pink bodied round.#1134

Blue cap round from face up. Blue cap round, more from the side. I set out to cut a different stone from a different piece of rough this time.  Blue capped tourmaline crystals are some of the most beautiful and … Continue reading

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Add two thirds pink and one third gray together and you get a nice bicolor.#1129

This emerald cut is pure tourmaline in its bicolor nature.  About two thirds of the length of the long ratio emerald cut is a nicely saturated, medium toned pink and the rest is a balancing patch of gray.  It makes … Continue reading

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Pink culet and the rest green makes great mixing for a round. Nigeria #98

This is both an interesting and beautiful gemstone.  The standard round brilliant is a great cut to mix up colors and this gemstone has great ones to mix.  Both the pink culet and green crown rather disappear when the stone … Continue reading

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Larger Nigeria pink green mixed to orangy, round #97

This standard round brilliant is big enough to really see the mixing of green and pink into yellow and oranges that happens in this interesting stone.  The mixing certainly depends on the light and you can still see the pink/ … Continue reading

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What you see face up is not what you have green/pink round.#96

I have gotten more than a few pieces of this interesting rough from Nigeria over the years.   It is really a pink crystal that has some faces that look they had a chomophore (trace element that effects color)  diffused into … Continue reading

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A long, long ratio, IceT flavored pastel punch of a bicolor emerald cut. #90

For me the cutting of a long ratio (length to width) ratio is an effort to keep the long narrow rectangular facets square.  Actually it is in the polishing, rather than the cutting, that causes my problems,  Generally I only … 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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Unique faceted watermelon pink center, green rind, emerald cut. #69

Everyone seems to love watermelon tourmaline,(a crystal with a pink core that runs down the long axis of Elbaite tourmaline that is coated with a green rind.), but it is rare that this distribution of color is useful to the … Continue reading

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Aghan tricolor, uniquely tourmaline, emerald cut. #60

This is a beautiful gemstone.  Not only are the colors, particularly the blue green, are beautiful, but the pale almost colorless and pink end work well together.  Still the blue green  dominates the gemstone.  That is particularly obvious in the … Continue reading

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Pastel green pink bicolor from Brazilian “salad”. #59

I read somewhere that Brazil, the homeland of tourmaline for many years was not producing much quality material anymore.  But it was producing what they cal “salad” which are native cut gemstones in mostly included tourmaline.  Sometimes it is just … Continue reading

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Slight bicolor with a few marks blue to green emerald cut.#396

This medium light toned emerald cut slides around between green and bluer green depending on the light.  It has excellent transparency except for a few marks scattered in the stone.  The most important is on a corner of the table … Continue reading

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