The Definitive Guide to the World of Color in Tourmaline Gemstones
The Definitive Guide to the World of Color in Tourmaline Gemstones
Blue Tourmaline Gemstones
Triangular – 1 to 5 Carats
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Only one of the corners has feathers and they do not extend to under the table. The color is uniform because the stone is not dichroic. It is a bright flash gemstone that weighs, 1.91 carats.
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This medium pale blue shield cut is pretty heavily included. And it does effect the flash of the gemstone. Still the poor crystal quality seems to soften the stones baby blue color and make it delicate and pretty. It weighs 1.98 carats.
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This is the only dark, more saturated blue that I have from Afghanistan. It appears to be eye clean, but it doesn't have a very high transparency. This reduces the stone potential for flashing. Still it is a very pleasing gemstone because of it color and tone value. It weighs 4.28 carats.
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If a naturally grayed blue fits the bill for you, than this flawless stone maybe your prize. I have found that everyone has a different champion in the wonderful world of color in tourmaline. And this is the best in its class of natural grayed blues. It weighs a fine 4.41 carats.
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This ring stone sized shield cut has a very nice medium gray blue color that doesn't have any green in it. It appears to be eye clean and have fine crystal. It is also not dichroic. It weighs 1.73 carats.
