This is mostly due to the geology and composition that makes difficult even for Expert Gem Laboratories to differentiate with accuracy.ĭating back to 900 Million years Sri Lanka, India, and Madagascar belonged to the same supercontinent Rodnia which drifted apart to different continents and subcontinents. This is because of the resemblances rarely found both gem stones. There are instances where Sri Lankan sapphires shows similarities to that of Madagascar sapphires. Out of the 200 minerals that have been classified as precious gemstones 75 are found in abundance in Sri Lanka, making this Small Island to proudly withstand its reputation in global gem and jewelry market. These characteristics enables Sri Lanka to maintain the sparkling reputations among gem producing countries.

Thus the presence of florescence in blue sapphires mostly indicates that the gem stone origin from Sri Lanka. Sapphires originating from the most part of the word inert High iron content typically causing dark blue shades and lower clarity making difficult to identify the intrusions. Low iron gives brighter and translucent magnificent colour to the stones.

The distinguishing feature of the Sri Lankan Blue sapphire is the low iron content giving colour and the ability to Florence under ultra violet light. Australia being the dominant producer of sapphires the stones considered to be less valuable due to very dark colour concealing the true beauty of the stone. Although sapphires are found around the globe, not all countries produce the colours that are highly valued.