The rarest thing in the world is Kyawthuite, a mineral with the chemical formula Ca(B3O3(OH)5)(OH)2·H2O. It was first discovered in 2002 in a small village in Myanmar and only a few specimens have ever been found.
Other contenders for the title of rarest thing in the world include:
- Red Beryl: This rare gemstone is a variety of beryl that gets its color from trace amounts of manganese. It is found primarily in Utah and New Mexico.
- Painite: Another rare gem, painite was first discovered in 1951 and for many years, only two specimens were known to exist.
- Taaffeite: This gemstone is a rare variety of magnesium beryllium aluminate that was first identified in 1945.
- Benitoite: This rare gemstone is known for its brilliant blue fluorescence under UV light and is found primarily in California.
- Green Diamond: While diamonds are not particularly rare, green diamonds are exceptionally rare. The color is caused by impurities like nitrogen or hydrogen.
These are just a few examples of the many rare and precious things that exist in the world. It is worth noting that the definition of "rare" can be subjective and depends on the context.