Loose Blue Spinel 114# Simulated Sapphire blue color Marquise Shape Faceted Cut 2x4mm Gemstones wholesale from China Supplier and manufacturers. Pictures 114# blue color stones usually used as the simulated color of Sapphire blue stones.  when you're looking for a cheaper alternative blue sapphire gemstones, Spinel 114# blue color is one of best choice. What's Synthetic Spinel? A: Although not as widely used today as synthetic Corundum, synthetic Spinel is still one of the most common man-made gem materials, particularly blue synthetic Spinel. It appears frequently in class rings and costume jewelry. Blue, green and other colors of synthetic Spinel are mostly manufactured using the inexpensive flame-fusion method by which the Spinel develops around an elongated boule. These flame-fusion Spinels can be distinguished from natural Spinels by a slightly elevated refractive index due to a chemical variation involving higher aluminum content. Blue Synthetic Spinels of the flame-fusion type are typically colored only by cobalt. No iron is added, and therefore they are diamagnetic, another property that distinguishes blue flame-fusion Spinels from blue natural Spinels. When viewed under the Chelsea filter and also under long wave UV light, the light blue and medium blue gems pictured below left and center show...