Loose Blue Spinel London blue 120# color Elongated Cushion Shape faceted cut 12x10mm Gemstones wholesale from China Supplier and manufacturers. Pictures The London blue Color Topaz gemstones is one of popular gemstones for the jewelry design.  London blue topaz is different from other blue topaz gemstones due to its shade of blue. London blue topaz has a very definitive shade of blue that is darker and inky compared to regular topaz. However, it is much lighter than a sapphire gemstone. The color is #120 Blue Zirconia Spinel, it's best simulated gemstone to the London Blue Topaz gemstone. What's Synthetic Spinel? Synthetic spinel, was first produced accidentally during an attempt to make a satisfactory blue synthetic sapphire by the Verneuil process. Instead of the blue sapphire they discovered synthetic spinels like Synthetic Aquamarine. These lab created Blue London Blue Color Gemstones are exact copy of their Natural counterparts. The real London Blue Topaz is expensive but the good quality synthetic Blue Zirconia London Blue spinel is very cheap in comparison. Synthetic spinel is widely used because it is slightly softer than synthetic corundum, it can be fashioned more rapidly and less expensively. Secondly, several of the colors in which it is...

Loose Blue Spinel London blue 120# color Oval 11x9mm and Marquise shape faceted cut 14x7mm Gemstones wholesale from China Supplier and manufacturers. Pictures The London blue Color Topaz gemstones is one of popular gemstones for the jewelry design.  London blue topaz is different from other blue topaz gemstones due to its shade of blue. London blue topaz has a very definitive shade of blue that is darker and inky compared to regular topaz. However, it is much lighter than a sapphire gemstone. The color is #120 Blue Zirconia Spinel, it's best simulated gemstone to the London Blue Topaz gemstone. What's Synthetic Spinel? Synthetic spinel, was first produced accidentally during an attempt to make a satisfactory blue synthetic sapphire by the Verneuil process. Instead of the blue sapphire they discovered synthetic spinels like Synthetic Aquamarine. These lab created Blue London Blue Color Gemstones are exact copy of their Natural counterparts. The real London Blue Topaz is expensive but the good quality synthetic Blue Zirconia London Blue spinel is very cheap in comparison. Synthetic spinel is widely used because it is slightly softer than synthetic corundum, it can be fashioned more rapidly and less expensively. Secondly, several of the colors in which...