The name "topaz" and many language variants have been used for yellowish gemstones for at least two thousand years. At that time yellowish gems were called "topaz" in many parts of the world. Many of the earliest gem traders did not realize that these yellowish stones were actually different materials.

Natural blue topaz is extremely rare and is usually pale blue. Almost all of the blue topaz offered in stores today is colorless topaz that has been irradiated and then heated to produce a blue color. "Swiss blue" and "London blue" are trade names for two of the most common varieties of treated blue topaz seen in today's market.

Product Details:

+ Gemstone: Blue Topaz

+ Color: Blue

+ Shape: Tube

+ Size : 10MM

+ Thickness: 5MM

+ Treatment: Natural

+ Approx. Beads: Piece

+ Approx. Weight: 5Grams

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