What is the difference between London Blue Topaz and Swiss Blue Topaz?
This gemstone is a sought-after treasure among collectors and jewelry enthusiasts, valued for its dazzling excellence and uniqueness. The London Blue Topaz is an individual from the Topaz family, a mineral made of aluminum and fluorine. It is a hard stone, with a rating of 8 on the Mohs scale of hardness, making it a sturdy and enduring gemstone that can be worn long into…