Introduction to Tanzanite Color Tanzanite Direct Tanzanite Direct
Tanzanite Color - Top Tanzanite Metal Type And Color 14K Rose Gold 14K Two Tone 14K White Gold 14K Yellow Gold 18K Rose Gold 18K Two Tone 18K White Gold 18K Yellow Gold Platinum White Gold Tanzanite Rose Gold Tanzanite Gold Tanzanite View More Price Range Under $1000 $1000-$2000 $2001-$3000 $3001-$4000 $4001-$5000 Over $5000 Earrings Shape
All tanzanite samples show natural trichroic colors including purple,... Download Scientific
Due to its unique crystal structure, tanzanite is one of only two known gemstones to clearly show two colors at once. As a result, a tanzanite can never be purely blue or purely violet. vB " violetish- Blue" means that the tanzanite's dominant color is Blue, and the secondary color is Violet.
Understanding the GIA Color Grading Process For Tanzanite Tanzanite Direct Tanzanite Direct
Overview About Tanzanite View Gallery Found in just one place on earth, tanzanite is a relatively recent discovery. Tiffany & Co named this blue-violet variety of zoisite in honor of Tanzania, where it was first unearthed in 1967.
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Tanzanite is strongly pleochroic and as the stone is rotated you can see blue, reddish purple, and bluish green or greenish yellow colors. Most tanzanite on the market is heated except for mineral specimens prized for their strong trichroic colors. Cut stones are heated to 550 o C produce the blue violet color.
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Tanzanite usually has to be larger than five carats to reach a deep saturated violetish blue or bluish violet color. Small accent stones less than two carats in size are commonly a lighter color. 2. Consider a protective setting. With a hardness of 6 to 7, tanzanite is softer than many gems.
Tanzanite color tone by Tanzanite jewelry, Crystals and gemstones, Gemstones
The most valuable color is a rich violetish blue with hints of a pleochroic red. Regardless of its pleochroism, vivid Tanzanite is more sought after than paler gems. Additionally, blue or bluish-violet tends to be popular. To get this color, most Tanzanite is heat treated as it is naturally brownish.
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The 2 hues the GIA recognize in Tanzanite are blue and violet. Hence, if a Tanzanite is predominately blue, with the table oriented on the blue axis (Tanzanite is trichroic so the optic axis can be blue or violet - more on this in our article on Trichroism in Tanzanite, then it is described as having a dominant blue Hue with a violet modifier.
20 Elegant Tanzanite Color Chart
If you are a connoisseur of fine gems, you'll probably be most interested in obtaining and owning the rarest grade of tanzanite - often called "investment tanzanite", which makes up less than 1% of all production and is graded 6/6. So how does the GIA Colored Stone Grading System work? It breaks down gem color into three components:
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So, What Causes the Tanzanite's Color? The tanzanite is one of the only gemstones in the world that is trichroic in nature. This essentially means that it features three colors at the same time - blue, purple and red (Note: Only hints of red are visible in the gem).
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Conclusion: The Kaleidoscope of Tanzanite Colors. In conclusion, tanzanite's colors encompass a captivating spectrum that ranges from the deepest blues to enchanting violets and even rare greens and pinks. The beauty of tanzanite is a result of various factors, including the presence of vanadium, trichroism, and the gem's geological formation.
Color Grading of Tanzanite
The adage "color is king" applies to Tanzanite, just as it does to all colored gemstones. It is the single most important value factor.
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Medium dark colors are the ideal. Custom cuts add value. As always, size and clarity have a strong effect on prices. Large clean rough is extremely scare. Ultra-rare cat's eye tanzanites are highly prized. Violetish blue cat's eye tanzanite with a very sharp eye, 0.79 cts, 5 mm, Tanzania. © The Gem Trader. Used with permission.
A Guide to Buying Tanzanite We'll help you get the best value
Color Chart Of Tanzanite: Many color charts have been developed over time to describe and distinguish between extraordinary and average tanzanites. Certain color charts treat the stone's hue, saturation, and tone as a single entity and provide a grade to the diamond only after giving serious thought to each of the three factors.
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Color Tanzanite is a pleochroic gem, which means it can show different colors when viewed in different crystal directions. This makes cutting a crucial element in determining the color the consumer sees when the stone is cut and set in jewelry. Tanzanite's color can be a very bright, intense blue.
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The three colours seen in a tanzanite are shades of blue, violet and red. Trichroism makes the cutting process more complicated than it would be for gemstones without this interesting characteristic. The colour of the finished stone will largely depend on the way in which it has been cut.
Color Charts Singhania & Sohn
Tanzanite is a stunning pinkish blue gemstone discovered in Tanzania 50 years ago. Tanzanite is famed for its pleochroism - the ability to show more than one colour in different directions through the stone - in this case, blue is the primary colour, with beautiful flashes of pink. But how can you tell if you're buying a great piece?