The bloodstone is a gemstone with dark green color and red spots on it. It belongs to the chalcedony variety from the quartz family, represented by the formula SiO2 (Silicon dioxide). Bloodstone is technically a green jasper gemstone, the red spots are due to the presence of iron oxide and the green color of the gem is got by the presence of masses of chlorite. It has a refractive index of 1.543-1.552 to 1.545-1.554 and a hardness of 7 (according to Mohs scale).
Another name for bloodstone is heliotrope which in Greek means sun turning. Not all bloodstones have red spots, some of them are just totally deep green in color. The most valuable bloodstone would have a solid green color with visible spots of red. The stone has a long history in Western countries and in Asia too. It is considered as one of the oldest gemstones known to mankind. Bloodstones are usually cut en cabochon, or into beads, they are popular in gents signet rings or used as a sealstones.
The red spots of the stone were thought to be the blood of Jesus Christ. Many Christians believed that bloodstone is created when a few drops of Jesus blood fell onto green jasper placed near the foot of the cross when he was crucified. Because of this belief, the gem became very popular and sacred to the Christians, that is why bloodstone is also known as martyrs stone.
For those who believe in the mystical powers of birthstones or gemstones, bloodstones are supposed to provide positive relief and cure for many problems and disorders related to the blood. If worn on the body is said to be beneficial for the mind and body. Beside helping the blood circulation, it also helps to soothe the mind and encourages logical and positive thinking. This gemstone can also be used for the 14th wedding anniversary and it is the birthstones for zodiac signs of Aries, Scorpio, Pisces and Libra.
The primary source of the stone is India. They are also found in China, Brazil, United States and Australia. Bloodstone is the original birthstone for March. Today, jasper, aquamarine and bloodstone are considered to be the birthstone or gemstone for March. It is said that the stone creates balance, harmony and promotes self-esteem.