There are over 4,000 minerals on earth , many of which we will never see in real life. Bizarre mineral assemblages and trace impurities have caused some of the world’s rarest gemstones. Some you likely have heard of and others will undoubtedly leave you searching Google GOOGL -0.29% for more information.With the list below, we will cover a short list of incredible gemstones, a bit about their origin and mineralogy.
As a quick background, minerals can be classified as gemstones based on their chemical composition, refraction, crystal structure, and optical characteristics. The classification and degree of imperfections in a mineral or birthstone can determine value and associated rarity.