Why Kyawthuite is the rarest mineral on Earth?
Kyawthuite: The One-of-a-Kind Mineral Worth More Than Gold There’s a mineral so rare that only one specimen of it has ever been found in the entire world. It’s called kyawthuite (pronounced cha-too-ite), a tiny, golden-brown grain weighing just 1.61 carats (0.3 grams). At first glance, it might resemble amber or topaz—but this unassuming speck is priceless. The Discovery of Kyawthuite In 2010, gemologist Kyaw Thu purchased […]