Five tons of which precious jewels are mined annually - ?
Crown jewels assumption of the throne were the Imperial Seals (Chinese: 傳國璽; pinyin: chuán guó xǐ), which gave the emperor the mandate of heaven authority. These are kept either in the Forbidden City or the National Palace Museum. Numerous crowns, robes, jewels and headwear were made especially for coronations and other official events for each individual emperor rather than being passed down. The Koh-i-Noor diamond, probably mined in India in antiquity, is now set in the Crown of Queen Elizabeth The Queen Mother. Aside from regalia of the British Raj, which exists primary as a part of the Crown Jewels of the
Crown jewels and heavily decorated with precious and semi-precious gemstones, in styles which go back to the Middle Ages and are normally very conservative to emphasize the continuity of the monarchy. Many working collections of Crown Jewels are kept in vaults or strongrooms when not in use and can be seen by the public. The Crown Jewels of many former monarchies can also be seen in museums, and may still represent national cultural icons even for countries that are now republics, as for example in Hungary, where the Holy Crown of Hungary has been re-incorporated in the coat of arms of Hungary.