Sapphire is indeed a precious gemstone that is highly valued for its beauty and durability. It is formed from a mineral called corundum[1], and blue sapphires obtain their color from the presence of titanium and iron trace elements[2]. On the Mohs scale of mineral hardness, sapphire rates 9 out of 10, making it an exceptionally durable gemstone that can withstand everyday wear and tear[3]. In fact, next to diamond, sapphire is one of the hardest naturally occurring substances on Earth.
The word 'sapphire' comes from the Greek word "sappheiros", which means blue. However, sapphires come in many other colors as well, such as pink, yellow, and green. Each color variation of sapphire has unique hue, saturation, and tone qualities that appeal to different tastes.
