July, 2017

Is a sapphire always blue?

The sapphire has been a beloved gemstone almost since time began. All sorts of special qualities are attributed to this exquisite coloured stone, such as strength, prosperity, honour and even immortality. More than anything, this blue stone is simply amazingly beautiful. But is a sapphire always blue?

In the past all blue stones were called 'sapphire'. It wasn't until the beginning of the 19th century that they were considered to be an independent stone (together with the ruby) within ...
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