Tanzanite belongs to the epidote mineral group.
Tanzanite stone price in tanzania.
Tanzanite is the blue and violet variety of the mineral zoisite a calcium aluminium hydroxyl sorosilicate caused by small amounts of vanadium.
Tanzanite value and hence price is very much linked to rarity the finer the color clarity cutting grade the higher the price.
Vivid bright tanzanite blue stone always commands the highest price.
The changes taking place in tanzania makes tanzanite a very good investment stone.
Tanzanite is only found in northern tanzania and is used to make ornaments.
Tanzanite a variety of the mineral zoisite is a blue to blue violet gemstone frequently used in jewelry that was popularized by tiffany co after its discovery in the late 60s.
Which means for example.
Tanzanite is only found in tanzania in a very small mining area approximately 7 km 4 3 mi long and 2 km 1 2 mi wide near the mererani hills.
Tanzanite showing a noticeble green component will be worth significantly less.
For richly colored aaa tanzanite 1ct is approximately worth 300 425 per carat.
This map shows the location in northern tanzania where all of the world s known commercial tanzanite production occurs.
Within each bracket there is a price range and this accounts for different outlets and different markups within the supply chain.
It is one of the rarest gemstones on earth and one local geologist estimates its supply may be entirely depleted within.
Color cost of tanzanite per carat is decided almost entirely by its color.
Please note the below prices are quoted usd per carat.
Tanzanite is a very rare gem in fact it is one of the world s rarest gemstones it is found in only one location in the world a place called merelani in tanzania the mining area has been divided into 4 blocks by the tanzanian government a b c and d it is also one of the worlds most popular and sought after gems and as the supply diminishes and becomes mined out tanzanite s.
2ct sizes reach 450 650 per carat.
This pricelist represents relative asking price for well cut round brilliant cut tanzanite that are graded under six times magnification are internally flawless and are equal to a vvs clarity grading.
The name tanzanite was given because the world s only known tanzanite deposit of commercial importance is in northern tanzania the name reflects the gem s limited geographic origin.
Therefore even a slight change in color creates a big difference on tanzanite gemstone price.
The mines are all located in an area of about eight square miles in the merelani hills near the base of mount kilimanjaro and the city of arusha.
Price in other countries like the united states or dubai may vary.
0 10ct a if tanzanite is 2 per stone using this formula.
With a hardness of 6 to 6 5 on mohs scale tanzanite is rather soft for a gemstone which limits its use in jewelry as it is prone to wear and scratching.