Blue Green Tanzanite

For richly colored aaa tanzanite 1ct is approximately worth 300 425 per carat.
Blue green tanzanite. Before the discovery of tanzanite the known varieties of zoisite made little impact on the gem market. Tanzanite belongs to the epidote mineral group. The saturation is also highly variable with some stones quite pale. 3 carats and up will reach 650 750 per carat.
Kilimanjaro in 1967 tanzanites show both dramatic color change and pleochroism in natural light tanzanites can appear an almost sapphire blue. All gemstones belong to a species first and then carry a variety name. Green tanzanite is actually a green zoisite. This material was similar in color to chrome tourmaline and was very attractive and quite valuable.
In rare cases zoisite is found in pink and green as well as blue to violet. From shop grangem. Although some refer to these colors as pink and green tanzanite gia calls them pink and green zoisite. Make offer rare fancy green tanzanite gem natural zoisite tanzania untreated blue bi color 7 32 ct.
Favorite add to 1 94ct pear shape untreated green tanzanite from tanzania grangem. Tanzanite is classified as a type i gemstone by gia meaning that tanzanite specimens are normally eye clean. Tanzanite gemstone chip stone bead 36 inch strand genuine blue and green tanzanite gemstone psc61 fallinlovegems. The name tanzanite is used for a color variety of zoisite that ranges from blue to bluish purple to bluish violet.
2ct sizes reach 450 650 per carat. Tanzanite showing a noticeble green component will be worth significantly less. In fluorescent light they may appear more violet or amethyst like. Discovered in the shadow of mt.
The trade has taken to calling other colors of gem quality zoisite fancy tanzanite or the color followed by the name tanzanite hence green tanzanite. Igi certified 5 grade d block aaaaa tanzanite oval bluish violet 1 250 00. The blue variety of the mineral zoisite is called tanzanite. 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.
5 out of 5 stars 74 629 74 629 reviews 7 29. The current price and value for tanzanite changes based on the weight. But the color range can be quite wide since tanzanite occurs in gold green and violet as well as blue. So clarity is rarely a problem with tanzanite.
Material that is available today has a mix of yellow and or blue with the green and is not as desirable or as valuable.