The ruby is a pink to blood-red gemstone, formed from the mineral corundum. This mineral, which sapphires are also made from, is colourless in its purest form. Ruby’s vibrant red colour stems from the element chromium and the concentration of this determines the intensity of the colour. Known as ...

Red is the predominant colour on St. Valentine’s Day - red roses, red hearts, red packaging. But why is this colour so fascinating to us and why does it symbolize love? In the past, red was used to represent intense emotions ranging from passion and love, to anger and violence. Therefore, red bec...