Red Gemstones A red gemstone could refer to many different types of gems, as several red-coloured gemstones are used in jewellery and other decorative applications. Here are some examples: Ruby: The ruby is a red-coloured gemstone known for its vibrant colour and high value. It is a variety of mineral corundum and is often used …
Gemstone
Blue Sapphire Gemstone Blue sapphire gemstones are one of the most precious stones in the world of gemstones. The Gemstones are a mineral composition of different chemicals called corundum, which is basically a crystalline form of Al2O3 (aluminum oxide). The color blue gets from the traces of titanium and iron elements which also make it …
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