Iranian Crown Jewels spinels are the six surrounding the top of the mace, each weighing 40 carats (8 g). Malecka, A. "The Mystery of the Nur al-Ayn Diamond", in: Gems & Jewellery: The Gemmological Association of Great Britain vol. 23, no. 6, July 2014, pp. 20–22. https://issuu.com/jeweller/docs/jeweller_g_j__sept_2014_/58 Malecka, A. "Daryā-ye Nur: History and Myth of a Crown Jewel of Iran", Iranian Studies vol. 51 (2018), https://dx.doi.org/10.1080/00210862.2017.1362952 Meen, V.B, Tushingham, A.D. Crown jewels of Iran, Toronto 1968. Iranian Crown Jewels The Iranian National Jewels (), originally the Iranian Crown Jewels (), include elaborate crowns, thirty tiaras, and numerous aigrettes, a dozen bejeweled swords and
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.