The rarest gemstone in the world is considered to be a transparent mineral of reddish-orange color, of which only one specimen has been found throughout history. It is regarded as a sensation for ...

Gemstone seekers in Chaung Gyi Village unearthed the tiny reddish-orange crystal, which later caught the eye of a gemologist. Kyawthuite, considered the world's rarest gemstone, continues to ...

The gemstone is often associated with prosperity ... Sardonyx is a combination of minerals sard and onyx, which together form a reddish-brown or orange stone with bands of white or black.

For centuries, the primary source of topaz has been the renowned Minas Gerais region of Brazil. The rich, golden yellow, warm orange, and pinkish and reddish orange shades are said to have been ...

The latter namesake is fitting since the gemstone is often associated with ... which together form the reddish-brown or orange stone with bands of white or black. Sardonyx was often used in ...