Star Sapphire is a wonderful gemstone that comes from Corundum. Star Sapphire is similar to normal Sapphire except for the fact that it has special inclusions that can be cut in a certain way to give the gemstone an asterism or star shape. While normal Sapphires are extremely attractive and sought after, Star Sapphires are usually rare when formed naturally and extremely valuable.
For the most part, Star Sapphires are only used for ornamental jewelry, however it should be noted that Corundum, the mineral that Star Sapphire come from is used in its common form for many industrial uses including abrasives. There are other types of industrial uses that harness the hardness of this mineral, however they are very technical. Star Sapphires are extremely hard and have a score of 9 on Moh’s hardness scale, they are the second hardest naturally forming substance in the world, next to diamonds.
Star Sapphires are beautiful stones that have inclusions of rutile. These small fibers form in specific patterns that when cut in a special way give Sapphire a beautiful asterism or six ray star shape.
Star Sapphires come in many beautiful colors including blue, violet, gray, green, brown and orange. Sapphires are the same mineral as Ruby; however Rubies specifically are red or pinkish red.
Most consumers generally love the look and effect that the Star Sapphire commands. It is truly a wonderful looking stone. However, it should be noted that synthetic Star Sapphire does exist. You can usually spot it by it being too transparent and took perfect in shape and asterism effect.