Painite Painite is the rarest gemstone in the world. It is so rare that only about 300 painite crystals have ever been found. Painite is a c...

Painite is one of the rarest gem mineral in the world. Only about 300 painite crystals have ever been found, and most of them are very small. The largest painite crystal ever found is only about 2.5 centimeters in length. Because of its rarity, painite is also one of the most expensive gem minerals in the world.