How can you tell if tanzanite is good quality
The best tanzanite is “clean,” meaning it is devoid of any visible inclusions of any kind that can be seen only under a jewelers loupe. Clarity & Luster It has an attractive vitreous luster and is frequently of high clarity.
How can you tell a good tanzanite stone
Real tanzanites typically exhibit a blue hue with a tinge of purple, but under incandescent light, the gem will appear more purple and may even show some red or pink flashes. As a result, to verify its authenticity, look at the jewel in natural light and then under incandescent light.
What is more valuable blue or purple tanzanite
Pleochroism is a property that causes gems to appear to have multiple colors when viewed from various angles, but bear in mind that tanzanites with a strong blue hue are typically valued higher than those with a violet or purple hue.
What are the different grades of tanzanite
According to the coloured stone grading system, clarity grades are assigned for Type I, Type II, and Type III gemstones. Tanzanite is a type I gemstone. These grades range from IF (Internally Flawless) to I3 (Included).
What is a vivid tanzanite
Brighter toned pastel hues are more common and more affordable than vivid colors and have a subtle appeal of their own. This 29.22-carat tanzanite has a deep violetish blue color, sometimes referred to as midnight blue.
What is the best cut for a tanzanite stone
1 Round. Originally used primarily for diamonds, the “Round” or “Round Brilliant” cut has since been applied to all types of gemstones, including the Tanzanite stone. This cut has 57 facets that are shaped to enhance the stones brilliance and sparkle.
What are the different colors of tanzanite
Although most Tanzanite is heat treated to reduce the brown and enhance the deep violet color, which makes it dichroic (showing only 2 shades of blue and violet), Tanzanite gemstones still exhibit shades of blue, violet, and brown/burgundy when they are in their natural state.
Does tanzanite change color in different light
A color shift occurs when you change the type of lighting and you get the addition of another color; in the case of tanzanite, this is from blue violet in incandescent light to violet blue in daylight with the second color being the dominant color. Tanzanite does have a color shift but rarely a color change.
Is tanzanite worth buying
Currently, in 2022, tanzanites carat weight has less value impact than it does on other gems like rubies, sapphires, emeralds, or diamonds. China has recently shown increased interest in Tanzanite, and given the size of the Chinese market, rising demand may have a significant impact on Tanzanites price and supply.
What does D block tanzanite mean
D Block refers to one of the four blocks into which it was divided by the Tanzanian government. Legend has it that D Block is responsible for producing the finest tanzanite. The only tanzanite deposit on our planet barely covers eight square miles.
Is there purple tanzanite
When viewed from various angles, tanzanite can appear in a variety of colors, including blue, violet, purple, bronze, and even gray. This unusual gemological property is known as pleochroism.
Can tanzanite be green
Very yellowish green stones (ones that are almost more yellow than green) are called “Combat Color” by the miners and are not as rare or as valuable as more pure green stones with less of a yellow modifier.
How do you know if tanzanite is heat treated
A top grade Tanzanite will be a deeply saturated brown before heating and a deep blue/violet after heating, while a medium grade Tanzanite will appear lightish brown before heating and a medium pale blue/violet after heating.
Does tanzanite increase in value
Tanzanite has always increased in value as time went on, but many investors think that the stones true value lies in the potential for the gem to reach extremely high prices once it has been mined out.
Why is tanzanite so cheap
With little in the way of capital investments or even general overhead, these miners are able to flood the market with cheap gemstones and depress the overall price for tanzanite.20 The other blocks are occupied and exploited by a variety of medium and small, independent, and artisanal miners.
What color stone is tanzanite
Tanzanite is an exotic gemstone that can only be found in one location on earth: close to majestic Mount Kilimanjaro. Tanzanites rich hues rival sapphires beauty. Tanzanites color blends blue hue and violet pleochroic hues.
Does GIA grade tanzanite
Tanzanite is evaluated but not graded by GIA. A GIA Colored Stone Identification Report evaluates weight, measurements, shape, cutting style, and color of any polished, rough, mounted, or loose material. It also determines whether the stone is natural or lab-grown.
What is unheated tanzanite
This stone has blue, purple, and green because it is trichroic, meaning each crystal axis displays a different color. A GIA certificate is included. An unheated tanzanite is all natural and untreated, something that is difficult to find.