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What is the rarest gemstone?

2 Answers

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  • ?
    Lv 7
    1 year ago
    Favorite Answer

    Chernobylite is a technogenic compound, a crystalline zirconium silicate with a high (up to 10%) content of uranium as a solid solution.

    It was discovered in the corium produced in the Chernobyl disaster, a lava-like glassy material formed in the nuclear meltdown of reactor core 4. Chernobylite is highly radioactive due to its high uranium content and contamination by fission products.

  • ?
    Lv 7
    1 year ago

    Alexandrite, tanzanite, natural colour changing gemstones as opposed to the coloured treated ones. 

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