On this page what's considered fancy colors of
Tourmaline. This includes sunset tourmaline, golden,
and other pastel type colors. Tourmaline is one of
the gemstones that is found in almost any color. Most
of these stones are from Africa or Afghanistan.
Tourmaline has a hardness of 7 to 7.5 and is suited
for most any jewelry application. Tourmaline is the
birthstone for October.
Grading System Used
Color is the most important and complex to grade. Color is made up of three components, hue, saturation and tone. Color will be graded on a scale of 1 to 10 taking these three factors into consideration.
Clarity is graded on a scale of 1 to 10, with 10 being loop clean under a 10X loop.
Brilliance - will be a combination of Cut, Sparkle, light return, Proportion and Crystal. Graded on a scale of 1 to 5, with 5 being the best.
Total Quality Rating - Is the combined score of these 3 with a possible best score of 10
Grading System Used
Color is the most important and complex to grade. Color is made up of three components, hue, saturation and tone. Color will be graded on a scale of 1 to 10 taking these three factors into consideration.
Clarity is graded on a scale of 1 to 10, with 10 being loop clean under a 10X loop.
Brilliance - will be a combination of Cut, Sparkle, light return, Proportion and Crystal. Graded on a scale of 1 to 5, with 5 being the best.
Total Quality Rating - Is the combined score of these 3 with a possible best score of 10
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Gem 1027 - Peach Orange Tourmaline$219.002.74 ct. I picked up a parcel of Rubellite tourmaline from Nigeria, and this stone was in with the others.
Sold -
Gem 948 - Sunset Tourmaline$95.001.99 ct. A golden sunset stone from Kenya, cut in a new cushion design I came up with.
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Gem 177 - Golden Tourmaline$83.000.88 ct. This is a nice bright golden yellow stone from Afghanistan, cut in a marquees shape
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Gem 67 - Sunset Tourmaline$138.002.3 ct. Sunset tourmalines show both a green and golden brown color
