Light Yellow Oval Sapphire from Thailand

About Yellow Sapphire

Yellow sapphire is the yellow variety of corundum, a crystalline aluminium oxide. Its colour usually comes from small amounts of iron, and ranges from pale lemon and straw to vivid golden yellow. Fine stones are transparent to translucent, while included material may appear cloudy. Some sapphires show pleochroism, displaying slightly different colours when viewed in different directions. Needle-like inclusions can create a…