The History of Birthstones began long before we tend to thought of them birth-stones. traditionally, precious gems were accustomed defend and heal the wearers. Zircon is that the oldest of the birthstones. This mineral has been deep-mined, sampled and dated, and also the earliest samples are dated back to four.4 billion years ago. the world itself is dated back to four.56 billion years ago. zircon began forming all along with the start of the world itself. zircon comes in several colours as well as green, blue, brown, red, golden-yellow. it’s conjointly found in an exceedingly colorless type. In its colorless type, it will be passed as a diamond, and is employed as a pretend diamond fairly usually. On the opposite finish of the spectrum, the latest birthstone to be found is that the gem Tanzanite. it had been found within the Mererani Hills of the Manyara Region in 1967. to the current day, this is often the sole place within the world that Tanzanite can be found and deep-mined. it’s extraordinarily rare, and permits to mine the mineral also are rare, that makes for a really expensive crystal. it’s found in 3 colours, blue, violet and brown. The gem is sometimes heat treated to achieve the foremost lovely colours of blue and violet. Gem historians believe that the first twelve birthstones originated on the aegis of Aaron, the High Priest of Israel. He was tutored by God to make a aegis with twelve precious gems decorated within the chest. The twelve gems were aligned in four rows of 3 gems. The twelve stones delineate the twelve tribes of Israel. the precise gems won’t be precisely the same because the birthstones as we all know them, however supported the colour, they match terribly closely. A second theory suggests that the birthstones were chosen to represent every of the twelve apostles within the Bible. The zodiac calendar plays a serious role in birthstone history. Astrologers were usually consulted once somebody was sick, because gemstones were aforesaid to own healing powers. As time went on, bound gemstones were allotted, by color initially, to the zodiac calendar months. carrying the birthstone of your birth month was aforesaid to provide special powers and protection to the user. The zodiac calendar doesn’t match the trendy day calendar specifically. Aries – Diamond – March 21 – April 19 Taurus – Emerald – April 20 – May 20 Gemini – Pearl – May 21 – June 20 Cancer – Ruby – June 21 – July 22 Leo – Peridot – July 23 – August 22 Virgo – Sapphire – August 23 – September 22 Libra – Opal – September 23 – October 22 Scorpio – Topaz – October 23- November 21 Sagittarius – Turquoise – November 22 – December 21 Capricorn – Garnet – December 22 – January 19 Aquarius – Amethyst – January 20 – February 18 Pisces – Aquamarine – February 19- March 20 Healers to use gemstones in everyday follow facilitate cure their patients. Some gems were used for biological process troubles, whereas others were used as antidotes to poison. Opals were accustomed determine the sick and dying, as a result of the opaque gem would bit by bit flip colours as a personality’s body hot or cooled down. Aquamarine was used on a daily basis to cure psychopathy. The modern day birthstone chart was adopted in 1912 by the National Association of Jewelers. The list has been updated doubly sin that point. Once, it had been updated to feature and take away some gems, the second time it had been modified to feature Tanzanite to the list of birthstones. The birthstone list as we all know it’s terribly like the first zodiac birthstone chart. The changes are principally thanks to modern-day jewelers desperate to provide every month and affordable or available stone.