Determining the Value of Natural Tanzanite

Though it might come as a surprise to many, natural tanzanite is found only in a tiny area of Northern Tanzania. It is a delightful gem that comes in a variation of shapes and sizes. Though once regarded as a substitute to sapphire, it has swiftly established itself among the most valuable gems in the world. Let us learn about the factors that lead to the increasing value of this fabulous gemstone.

Limited Availability Leads to Rising Value 

Tanzanite

Tanzanite – Photo by Liquidation Channel [CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3] – http://akamaicdn.liquidationchannel.com/education-center/gemstone-pages/tanzanite/large/tanzanite_001.jpg

The first and most important reason that contributes towards the rising value of this gemstone is its availability from a single source. Tanzanite is found only in a small area of about eight square miles near Mount Kilimanjaro, in the city of Arusha, in Tanzania. The popularity of this gem and its limited availability has led to its depletion despite being discovered only a few decades back. As there is a limited supply available, the value that it commands naturally grows every year.
      
Color: A Tough Competition for Blue Gemstones

Rough Tanzanite

Rough Tanzanite – Photo by Liquidation Channel [CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3] – http://akamaicdn.liquidationchannel.com/education-center/gemstone-pages/tanzanite/large/tanzanite_003.jpg

Do you know that tanzanite appears in a variety of color tones? This gem appears in a robust, bright blue color while its violet-blue to purplish-blue color is most appreciated. It is favored by many due to its brilliant color. Color is one important factor that adds value.

Pleochroism: Attractive & Intense

Natural Tanzanite

Tanzanite – Photo by Liquidation Channel [CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3] – http://akamaicdn.liquidationchannel.com/LCProdImage/LCProdImage/23/8/2388113.jpg

Adding to the factors affecting tanzanite’s value is the dramatic property of pleochroism. This effect ensures that the gem reflects different colors when viewed from different angles. Cutting is critical as it determines the shimmer and glow of the stone. 

People might have their reasons to like this vibrant gemstone. However, the reasons mentioned above are some of the most important factors that determine the value of this gem.

It would not be out of place to mention some of the interesting facts about this gemstone that determines its value.

Natural Tanzanite Facts

  • The cut of tanzanite is very crucial as it determines its pleochroism effect and the appearance of color.
  • This gem is the only one in recent times to be included in the birthstone list prepared by the American Gem Trade Association. The list has been only once amended in 2002 after 1912.
  • Tanzanite is a variety of zoisite.
  • The gemstone is cut in both traditional and fancy shapes making it a versatile stone.
  • This stone is available in different color grades.
  • Ever since Tanzanite was first excavated the gem has gained immense popularity and today enjoys a fan following similar to other popular stones such as ruby, sapphires, diamonds, and emeralds.
  • Discovered only in the 1960’s this stone is approximately 585 million years old.
  • The most astonishing collection of tanzanite in the world is owned by the renowned Tiffany and Company of New York.

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