Tanzanite is one of the rarest gemstones and can only be mined in one place in the world – Tanzania. A relatively new gemstone, the first recorded discovery was in 1967 and was officially named the ‘Tanzanite’ by Tiffany & Co. Tanzanite was only added to the official birthstone list in 2002. This gem possesses an exotic velvety blue with a rich overtone of purple, a colour unlike any other. Tanzanite comes in a variety of shapes, sizes and striking assortments of blue tones. Stones are split into one of four colour classifications depending on the intensity of colour. The commonly used ‘A’ system has been applied to tanzanite ranging from ‘A’ for Pale to ‘AAAA’ for Vivid. Tanzanite is a reasonably durable gemstone measuring 6.5 on the Mohs scale of hardness; but can be susceptible to scratching and will damage from hard knocks and extreme temperature changes. Tanzanite jewellery should be stored in a soft jewellery pouch or box when not being worn to avoid scratching and damage. It should be cleaned thoroughly with water and dried with a soft jewellery cloth. Do not use a ultrasonic cleaner.
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