What Is The Rarest Gemstone? Where Are Gemstones Found?
A Gemstone is a naturally occurring precious or semi precious stone. It is basically a form of mineral that can be found in sand, rocks or water. The value of a gemstone depends on a number of factors. There are a number of Gemstones that are rare. These gemstones occur so infrequently that they are scarcely known except to specific connoisseurs These rare gemstones include andalusite, axinite, cassiterite, clinohumite and bixbite.