It is considered to be the highest valued fancy coloured sapphire. Pink sapphire is typically found in colours of a bright, delicate pink to a pink with a slight tinge of violet. Sapphire is mentioned in the Bible as one of the gemstones on the High Priest's breastplate.Īmong the blues, two colours are considered to be the most sought after – ‘Royal Blue’, the most desired and most valued shade within the trade, and ‘Cornflower Blue’, resembling the colour of the famous flower. Sapphire is a long-time symbol and guardian of purity and it represents truth, sincerity, and consistency. They were also thought to strengthen the well-being and overall health of the owner, clear the mind and skin, cure fevers, colds, eye diseases and ulcers and were used as an antidote to poison.
They were deemed to attract wealth, bring harmony between lovers, make peace between enemies and protect the wearer from envy and infidelity. It was believed that sapphires could influence spirits and reveal the secrets of oracles. Sapphire is the birthstone for the month of September and the gemstone representing the fifth and 45th wedding anniversaries. In the purple to red region, which is also associated with Ruby colours, a gem with low saturation of purple-red will be defined as ‘Pink Sapphire’ or ‘Purple Sapphire’ (according to the tone).
The term Sapphire, when used on its own, refers only to the blue variety of sapphires, which ranges from very strongly greenish Blue to Blue to bluish Violet, while sapphires in all other colours (also known as ‘Fancy sapphires’) occupy the rest of the entire spectrum and are named together with their associated colour prefix, such as ‘orange sapphire’, ‘pink sapphire’, ‘green sapphire’ etc. Sapphire appears in all possible colors except red, such as blue, yellow, green, purple, pink and brown. Both have exactly the same chemical composition and only small amounts of colouring trace elements distinguish between them. Sapphire and ruby are members of the corundum family, a group of crystallized aluminum oxides. It has a refractive index of 1.762-1.77 and a 3.97 - 4.05 specific gravity. The stone's hardness is 9 on the Moh's scale. Sapphire is an aluminum oxide, which crystallizes in the trigonal system.
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