Search results
Results from the WOW.Com Content Network
Andamooka Opal, presented to Queen Elizabeth II, also known as the Queen's Opal; Flame Queen Opal; Galaxy Opal; Halley's Comet Opal, the world's largest uncut black opal; Olympic Australis Opal, reported to be the largest and most valuable gem opal ever found
Opal was rare and very valuable in antiquity. In Europe, it was a gem prized by royalty. [19] [20] Until the opening of vast deposits in Australia in the 19th century the only known source was Červenica beyond the Roman frontier in Slovakia. [21] Opal is the national gemstone of Australia. [22]
Leaders of states in the U.S. which have significant mineral deposits often create a state mineral, rock, stone or gemstone to promote interest in their natural resources, history, tourism, etc.
Meet the "Virgin Rainbow" – perhaps the finest and certainly the most expensive opal on record. It literally glows in the dark. In fact, as it gets darker around the opal, the opal appears ...
Born into an affluent aristocratic family, Lady Diana Spencer owned some high-quality jewellery. Prior to her marriage to Prince Charles, she often wore a gold Cartier Russian wedding ring of three yellow gold bands on the little finger of her right hand and a diamond and white gold eternity ring from the family collection on her third finger.
Crown Jewels of France, on display at the Louvre with the crown and diadem of Empress Eugénie to the left, the set of Queen Marie Amélie in the centre, and the crown of Louis XV to the right with the diadem of the Duchess of Angoulême The Côte-de-Bretagne red spinel with the set of Queen Marie Amélie to the left, the bracelets and diadem of the Duchess of Angoulême in the centre and ...
Opalite is a trade name for synthetic opalescent glass and various opal and moonstone simulants. Other names for this glass product include argenon, sea opal, opal moonstone, and other similar names. [1] [2] It is also used to promote impure varieties of variously colored common opal. [1]
A rare type of sapphire, padparadscha sapphire, is pink-orange. The name "corundum" is derived from the Tamil-Dravidian word kurundam (ruby-sapphire) (appearing in Sanskrit as kuruvinda). [8] [9] Because of corundum's hardness (pure corundum is defined to have 9.0 on the Mohs scale), it can scratch almost all other minerals.