The story is about an enchanted princess who wore an opal that changed colour depending on her mood. In 1829, Sir Walter Scott’s book, Anne of Geierstein, transformed the perception of opals. They were held in high esteem throughout history right up until the 19th century. For the Romans, opals represented purity and hope. In fact, the word ‘opal’ comes from the Greek opallios which means ‘to see a change in colour’.
Opals were believed by the Ancient Greeks to have the power of prophecy and foresight. All opals vary in the colour of their fire, with one of the rarest opals being the prized Harlequin Opal – displaying a chequerboard pattern.
The more vibrant the colours within the opal, the more valuable it tends to be. The many different colours in opals come from tightly packed spheres of silica, and the way that theyĪre arranged inside the stone. More than 90% of the world’s supply come from Australia, although Mexico, Brazil, Indonesia, the Czech Republic and Ethiopia also produce stones. The stones contain 5-20% water which may cause them to become brittle over the years so they are not usually considered suitable for everyday wear, which is why it’s unusual to see them in engagement rings. Opals often found in fossilised shell, wood and bone. Unlike most other gemstones, opal does not have a crystalline structure. Opals were particularly popular in the 1950s and 60s, so plenty of vintage opal jewellery from the mid-century period exists. Common opals don’t display play of colour but instead come in a variety of hues such as pink, green, blue and yellow. Precious opals can take on many colours, with internal refraction of light causing the phenomenon called ‘play of colour,’ meaning that no two are the same.
There are two main varieties of opal: precious and common. Opal, one of the birthstones for October, is a beautifully iridescent gemstone which has been highly prized for thousands of years – even from before the Ancient Greek and Roman times. Opals on the other hand are in a class of their own. Some pink tourmalines have clarity as transparent as diamonds. Tourmaline, the primary birthstone, is rare as it is one of few birthstones that can be found in any colour. October’s birthstones are tourmaline and opal. The choice is ultimately yours! For example, a person born on July 14 will have ruby as a month birthstone, agate and beryl as Cancer zodiac sign birthstones, sapphire as guardian angel birthstone, and topaz as special apostle birth gem.October’s Birthstones: Opal and Tourmaline Each person has a choice of at least 4 birthstones that can be worn separately or combined. The lists are presented in tables below this article. Multiple birthstone lists exist, and I would like to present the 4 most distinct lists of birthstones: according to birth month, zodiac signs birthstones, special apostle and guardian angel birthstones. And surely those birthstones can look stunning! Monthly birthstone colors provide an amazing rainbow to adore and choose from! The owner of a jewelry piece set with a birthstone is impressed with the idea of possessing something more intimately associated with their personality then any other gem. It is believed there is a mystical and spiritual bond between the person born in that month and their birthstone.
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