Top 10 Rarest Gemstones in the world

5. Painite

Painite is a rare borate gemstone. In the past, it was discribed by Guinness Book of World Records as the rarest gemstones. It was firstly discovered by English gem collector Arthur Charles Davy Pain in the 1950s and was named after him. It was once recognized as the world’s rarest mineral. However, many Painite have been found later.

It contains calcium, zirconium, boron, aluminum and traces of chromiun and vanadium which are the reason for its orange red color.

The Painite gemstone was found in a field in a village near Mogok, Burma. Many of the Painite gemstones are currently in the British Museum of Natural History, Caliornia Institute of Technology and the GRS gem research laboratory in Swirzerland.