Blue Topaz 0.80 ct 5 x 7 mm AAA single Oval Cut

Blue topaz is a popular variation of the topaz gemstone. With a hardness of 8 (out of 10) on the Mosh scale, topaz is softer than diamond, sapphire, and ruby, and harder than quartz. Although it is not one of the softest gemstones, blue topaz can be broken if hit hard.Blue topaz is such an optimistic gemstone, with the promise of blue sky even on a gray day. Topaz occurs in very large crystals: faceted gems of hundreds of carats are available. Large gems in fine colors are rare but if you love