7 Most Expensive Minerals in the World

Serendibite – $1.8 Million Per Carat

Costing $1.8 million per carat, serendibite has more than earned its place as one of the most expensive minerals in the world. First discovered in 1902 in Sri Lanka, serendibite is most commonly found in hard metamorphic rock and has a green-blue or violet-blue hue, which helps identify them.

However, serendibite specimens have also been found in Burma, where they can appear darker green to almost black. If you’re ever lucky enough to come across a gem-quality sample of serendibite, you’re definitely not going to want to pass it up.

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