Top 20 Most Expensive And Rarest Gemstones In The World
Gemstones come in many forms, made from minerals, rocks, and even organic stuff. Out of the 300 known gemstones and 2000 minerals, some are super rare and way more special than diamonds. What makes them rare? It’s a cool mix of things like swapping atoms in their crystal structure, having tiny bits in them, and forming under unique pressure and heat.