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