For example, a deep blue sapphire contains titanium and iron, while a pink sapphire contains chromium. The colour of a sapphire depends on the element that is most prevalent in the corrundum’s lattice structure. ![]() Sapphires score a 9 on the Mohs mineral hardness scale– a measure of the resistance of materials against scratches of harder materials. ![]() ![]() A precious gemstone, sapphires belong to the corundum mineral family, and consist of aluminium oxide, iron, titanium, chromium, copper and magnesium.Īs part of the corundum family of minerals, sapphires are an incredibly durable gemstone, ideal for everyday wear.
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