Iranian Crown Jewels the presidency of Hashemi Rafsanjani re-opened the permanent exhibition of the Iranian crown jewels to the public in the 1990s. They remain on public display . The Royal Mace of Iran is a jewel-encrusted ceremonial mace, a part of the Iranian Crown Jewels. It was a favorite of Fat′h-Ali Shah Qajar, who is often shown holding it in his miniature portraits. The mace is encrusted with spinels and diamonds, from end to end. It is 73 cm (2.4 ft) long. The largest diamond weighs 17 carats (3.4 g), and is located on the very top of the mace. The largest
French Crown Jewels a pin shaped into the form of a delphin, the crown jewels collection contains as well among others, the emerald set and pearl earrings of Empress Josephine, the micromosaic and the emerald and diamond sets of Empress Marie Louise, the pair of bracelets of rubies and the emerald diadem of the Duchess of Angoulême, the sapphire set of Queen Marie Amélie, a diamond cross of the Order of the Holy Spirit and a diamond portrait box of Louis XIV. Some gemstones and jewels are on display in the Treasury vault of the Mineralogy gallery in the Muséum national d'histoire naturelle.