Mysticdrop 0.75-1.00 Cts of 6 mm Heart AAA Loose Swiss Blue Topaz (1 pcs) Gemstone The loose heart-shaped Swiss Blue Topaz is a fine AAA quality bright blue colored gem measuring 6 mm. AAA quality Topaz are Loop clean gemstones, with no visible nicks, or inclusions. The color is even and consistent. Blue topaz is created by treating a natural colorless topaz. Blue Topaz is the official gemstone of Texas. 30 Day No questions asked Return Policy Free-Shipping within US Loose Swiss Blue Topaz / December Birthstone