From Tanzanite to Benitoite, this article unveils the five rarest gemstones in the world that hold more than vibrant colors.

Although the House of Savoy is still in exile after the Italian monarchy was abolished, they have kept many of their stunning ...

The rarest gemstone in the world is considered to be a transparent mineral of reddish-orange color, of which only one ...

There's a mineral so rare that only one specimen of it has ever been found in the entire world. It's called kyawthuite ( cha-too-ite ), a tiny, tawny-hued grain weighing just a third of a gram (1.61 ...

A team of archaeologists has discovered a rare rock used to make tools in the Stone Age. The "polishing boulder", found in the Valley of the Stones near Dorchester, would have been used to make ...

A rare poster promoting one of the Rolling Stones' earliest concerts that was found in a loft has sold for £15,000. The original poster advertised a show at Bristol's Colston Hall in 1964 during ...

Having all the rare stones make their owner the most powerful being in the universe, allowing him or her to shape it as they see fit. In the case of Marvel Studios’ big baddie, Thanos ...