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What Is Tanzanite Gemstone | Tanzanite Stone – GIA
- https://www.gia.edu/tanzanite/photos-and-videos
- Tanzanite. Poised between lush blue, vibrant violet, and rich purple, exotic tanzanite is found in only one place on earth, near majestic Mount Kilimanjaro. Tanzanite's rich hues rival sapphire's beauty. Tanzanite's color blends blue hue and violet pleochroic hues. This crystal shows strong blue and brownish green pleochroic colors.
Tanzanite Guide - Gem Coach
- http://www.gemcoach.com/tanzanite-guide/
- Tanzanite takes its name from Tanzania. Remarkably enough, that is the only place this deep blue gemstone has ever been found! That was not its original name though. Previously, it was known as “blue zoisite,” which is precisely what it is. Tanzanite is classified as a sorosilicate with the formula (Ca 2 Al 3 (SiO 4 ) (Si 2 O 7 )O (OH ...
How to tell if a Tanzanite is real or fake
- https://www.tanzanite-int.com/how-to-tell-if-a-tanzanite-is-real-or-fake/
- STEP 3 - CAREFULLY VIEW THE INTENSITY OF THE COLOUR. A tanzanite will display the same intensity of colour when viewed from the side or from the top. A gemstone that looks similar to a tanzanite, such as an iolite will appear slightly yellowish or clear from different angles, compared to the top.
How to Identify Tanzanite: From the Experts - Tanzanite …
- https://www.tanzanitejewelrydesigns.com/pages/natural-lab-created-synthetic-simulated-tanzanite-html
- Tanzanite is the blue to violet form of zoisite crystallizing in the orthorhombic system. With a refractive index of 1.69-1.70 and a specific gravity of 3.35 this gem is unusual for it trichroic nature. Most gems are dichroic, showing two colors, and a few are monochromatic including garnet, spinel and diamond which show only one color.
The Definitive Tanzanite Buying Guide
- https://www.theraregemstonecompany.com/gemology-articles/tanzanite-buying-guide
- TANZANITE COLOR. This is the most important factor by far but also perhaps the hardest of the 4 C’s to judge online, due to many factors, not least the unreliability of images shown on different seller’s websites. ... The photograph above illustrates this well. To judge the size of a stone, always use the dimensions, particularly the face ...
Real Vs. Fake Tanzanite - Tanzanite Jewelry Designs
- https://www.tanzanitejewelrydesigns.com/blogs/news/real-fake-tanzanite
- Tanzanite here is a natural gem and here is the rough crystal of tanzanite. The difficulty in separating these visually is a problem, but with a little bit of equipment you can make separation. The problem is that there are several gems that kind of duplicate the color and somewhat the appearance of tanzanite.
How to photograph gems: tips from the pros | the jewelry …
- https://thejewelryloupe.com/how-to-photograph-gems-tips-from-the-pros/
- Focus is the primary weakness of most amateur gem and jewelry photography, says Tinnee Lee of Lee-Carraher Photography. “People need to know the maximum focal length of their lens. Pictures end up out of focus because they’ve gotten closer than the limit of the lens. They need to know where things go out of focus.
Understanding the GIA Color Grading Process For Tanzanite
- https://www.tanzanitedirect.com/tanzanite-buying-guide/vb6-6-tanzanite-color_-grading-process/
- You should not expect to find intensely saturated blue tanzanites weighing less than 2.50 carats. The color of a fine, 1.00 carat tanzanite is likely – at its darkest – to be a medium blue or GIA 5/5. Consumers should be wary of online retailers selling smaller stones (between 0.50 to 2.50 carats) as “investment grade” or GIA 6/6.
How to choose a tanzanite - Gemlovers
- https://gemlovers.com/encyclopedia/tanzanite/how-to-choose-a-tanzanite/
- The classic color of tanzanite is violet-blue, with variations in the direction of violet or blue, from light blue and lavender shades to dark blue and dark violet. Rare colors of gem zoisite are pink, green, yellow, lavender. The most valuable is considered vivid blue, sapphire color of tanzanite, with a small content of violet (vivid ...
Tanzanite Care and Cleaning Guide - GIA
- https://www.gia.edu/tanzanite-care-cleaning
- Tanzanite is stable under normal wearing conditions, which means it’s resistant to the effects of heat, light, and common chemicals. Even so, tanzanite should not be subjected to very high temperatures or sudden temperature changes. It can be attacked by exposure to hydrochloric and hydrofluoric acids. Cleaning Warm, soapy water is always safe.
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