Table of Contents
- 1 How does London blue topaz get its color?
- 2 What color is a London blue topaz?
- 3 How much is a London blue topaz worth?
- 4 How can you tell if a London blue topaz is real?
- 5 Is all London blue topaz irradiated?
- 6 Who should not wear blue topaz?
- 7 How can you tell if a topaz is real or glass?
- 8 What is the best cut for a London blue topaz?
How does London blue topaz get its color?
In essence, London Blue is a white topaz which has been exposed in a nuclear reactor to change the colour to a saturated and deep blue. That’s why London Blues are also referred to as ‘Inky’ and ‘Steely’ Topaz.
What color is a London blue topaz?
COLOR: London blue topaz is a medium to dark greyish blue, sometimes described as “steely” or “inky”.
Which is better Swiss blue topaz or London blue topaz?
Swiss blue is a lighter tone with lighter saturation, while London blue is a darker, rich hue of blue with a darker saturation. London blue tends to be priced just slightly higher than Swiss blue and is currently the more popular color of topaz on the market today.
How much is a London blue topaz worth?
How Much Is Blue Topaz Worth? Back in the day, treated blue topaz had a value of between $20 and $40 a carat. However, as the stone has flooded the market, there is now an excess supply of the gemstone. This has dropped the price to under $1 a carat, making it an incredibly affordable option.
How can you tell if a London blue topaz is real?
There are a few easy ways to tell a real topaz apart from quartz. The first characteristic to keep in mind is the hardness factor. An original topaz will scratch glass while quartz will not leave a mark on it. Moreover, a real topaz is also cool to touch and it gets electrified easily.
Does London blue topaz occur naturally?
London Blue Color & Treatment Although there is some blue topaz in nature, it is rare. When naturally blue topaz occurs, it is light in color. London Blue Topaz is generally brown or colorless material that’s been irradiated and then heat treated to obtain the dark blue, which does not occur in nature.
Is all London blue topaz irradiated?
Most blue topaz on the market is irradiated to enhance its color. These stones (~4–10 ct) were treated by neutron irradiation.
Who should not wear blue topaz?
Who should not wear blue topaz? Capricorn and Aquarius Ascendant. If you were born in Capricorn ascendant then Jupiter becomes lord of the 3rd house of courage, siblings, journey and the 12th house of expenditure and losses so that Topaz gemstone should not be wear.
What is the best cut for blue topaz?
round cut
By far the most popular brilliant cut is the round cut. If that’s your taste, consider a round London Blue Topaz engagement ring. Other brilliants include oval, marquise (pointed oval), pear, princess (square), and heart.
How can you tell if a topaz is real or glass?
What is the best cut for a London blue topaz?
Why is topaz bad for you?
Isotopes with little or no radiation inside the stones are harmless, but some radio-isotopes produced by, especially, neutron-irradiation can emit powerful beta and gamma radiations that are harmful to humans. Natural blue topaz and dark blue irradiated topaz are the most desirable in Europe and America.