There are a large number of different types of tanzanite including faceted gemstones pairs and even cabochons. Tanzanite is a trade name that was first used by tiffany and company for gem quality specimens of the mineral zoisite with a blue color. Tanzanite s value also depends on its color among other factors blue gemstones with slight violet nuances are typically higher in value than purely violet specimens. Specimens weighing one carat or less will reach prices of about 225 to 250 per carat. Au 6 30 au 9 99 shipping.
On average tanzanite is quite an expensive gemstone. An extraordinary example of bicolor tanzanite from tanzania. These are very interesting because they show the different colors of tanzanite when viewed in different dirctions. It will show the different colours of the stone from different direction. These specimens are among the mos beautiful in the world.
100 natural blue tanzanite facet rough specimen loose gemstone. Most faceted tanzanite seen commercially on the market is below five carats while faceted stones over 30 carats are more seldom seen. Tanzanite belongs to the epidote mineral group. Tanzanite is such a bright and vibrant gemstone that even as a specimen it will glow. Mouse over to zoom click.
RELATED ARTICLE :
Tanzanite is the blue and violet variety of the mineral zoisite a calcium aluminium hydroxyl sorosilicate caused by small amounts of vanadium. Specimens are extremely hard to find because it is forbiden for foreigners to take specimens outside f the country. Another property that affects tanzanite s price is its color change based on the source of light as well as its pleochroism i e. 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. Tiffany could have sold the material under the mineralogical name of blue zoisite but they thought the name tanzanite would stimulate customer interest and be easier to market.Au 6 30 au 9 99 shipping. 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. This specimen consists of a sharp complete crystal of gem tanzanite that exhibits amazing color with sharply defined zones of golden yellow and blue that show stunning pleochroism in person. Au 6 30 au 9 99 shipping. Tanzanite is the blue and violet variety of the mineral zoisite a calcium aluminium hydroxyl sorosilicate caused by small amounts of vanadium.
This specimen consists of a sharp complete crystal of gem tanzanite that exhibits amazing color with sharply defined zones of golden yellow and blue that show stunning pleochroism in person. 100 natural blue tanzanite facet rough specimen loose gemstone. On average tanzanite is quite an expensive gemstone. There are a large number of different types of tanzanite including faceted gemstones pairs and even cabochons.
