Topaz comes in several colours but London blue topaz is the most sought-after. It’s greenish-blue hue often described as ink-like is responsible for making this gemstone extremely popular. Scoring an 8 on the Mohs scale of hardness, London blue topaz is often considered an affordable alternative to sapphires. However, that’s not the only reason why this gemstone is desirable.
Here are five interesting facts on London blue topaz that will make you fall in love with this gemstone all over again.
1. Gets its Colour through Irradiation and Heat Treatment
Naturally occurring blue topaz is quite rare. Therefore, white topaz (in its purest form) is put through a standardized radiation treatment to achieve the gorgeous greenish-blue hue. The radiation process changes the colour of white topaz to a deep blue. This is followed by a heat treatment until the gem reaches the inky blue shade. From certain angles the gem exhibits a greenish tint.
2. Known as the Jewel of Love and Loyalty
Apart from exuding a gorgeous blue hue, this particular variety of topaz also carries a deep symbolism. London blue topaz is known as the jewel of love and loyalty. It represents everlasting love and friendship. This makes the gem a wonderful gift for a loved one. So, if you have a special occasion coming up and are looking for a meaningful gift, London blue topaz jewellery might be the best pick.
3. One of the Most Popular Gems for Engagement Rings
London blue topaz is one of the most popular gems for engagement rings. Wondering what makes it so desirable? Firstly, it represents love and loyalty. Secondly, it offers the best of both worlds to modern brides who don’t want to go down the traditional path and want something affordable. The fact that it is harder than most semi-precious gemstones also make it a great choice for engagement rings.
4. Brazil Produces the Best Quality Topaz
Topaz is found in several places including Burma, Nigeria, Mexico, Pakistan, Sri Lanka, Russia, USA and Ukraine. However, Minas Gerais in Brazil is considered to be the source of top-quality topaz. A large topaz deposit was discovered in the 1730s, since then Brazil has continued to be the largest producer of topaz in the world. Before that Germany’s Erzgeberge Mountains were a popular source.
5. Believed to Have Healing Powers
Another interesting fact about London blue topaz is that the gemstone is believed to possess many healing powers. Its calming blue colour reduces stress and anxiety. Those going through a heartbreak are advised to wear a London blue topaz as it will help in overcoming the hurt and promote emotional wellbeing. Some also believe that the gemstone’s colour changes according to the mood of the wearer. To validate the authenticity of this belief, you can buy a piece of London blue topaz jewellery and cheque for yourself!
Did You Know?
Topaz is the official birthstone for November. However, blue topaz is considered the birthstone for December.
Facts on London Blue Topaz FAQs
- Does the color of London blue topaz fade?In its natural form, London blue topaz is colorless or brown. It goes through irradiation and heat treatment to achieve the famous blue color. The dark blue shade is permanent and won’t fade over time.
- Does London blue topaz scratch easily?London Blue topaz scores an 8 on the Mohs scale of hardness and therefore is considered a durable gemstone. However, it also has the perfect cleavage which means it is susceptible to scratches or fractures.
- How can you tell if a London blue topaz is real?The stone’s clarity says a lot about its authenticity. Since London blue topaz is heat treated, it is eye-clean, which means it has no inclusions visible to the naked eye. If you notice fractures, inclusions or cracks, then the stone is most likely a fake one.
