What is Tourmaline?

Tourmaline gemstone is form of crystal called “ Boron Silicate” or “ Crystalline Boron Silicate mineral” It is composition of various elements such as aluminum, iron, magnesium, sodium, lithium, or potassium. Tourmaline has variety of colours and leveled as semi-precious gemstone. Usually Tourmaline hardly matches colour to other tourmaline. They are all time different from […]

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