Ads
related to: how much does blue sapphire costjamesallen.com has been visited by 10K+ users in the past month
Search results
Results from the WOW.Com Content Network
Blue-violet National Museum of Natural History, Washington [9] Star of Bombay: Sri Lanka 182 carats (36.4 g) Star Blue-violet National Museum of Natural History, Washington [10] Ruspoli Sapphire: 136.9 carats (27.38 g) [11] Stuart Sapphire: Sri Lanka 104 carats (20.8 g) Blue Tower of London [12] Bismarck Sapphire: Myanmar: 98.56 carats (19.712 ...
The Logan Sapphire brooch, National Museum of Natural History, Washington, D.C. The Logan Sapphire is a 422.98-carat (84.596 g) sapphire from Sri Lanka.One of the largest blue faceted sapphires in the world, it was owned by Victor Sassoon and then purchased by M. Robert Guggenheim as a gift for his wife, Rebecca Pollard Guggenheim, who donated the sapphire to the Smithsonian Institution in 1960.
The use of sapphire significantly reduces the cost, because it has about one-seventh the cost of germanium. Gallium nitride on sapphire is commonly used in blue light-emitting diodes (LEDs). [ 68 ]
Yogo sapphires present an advantage to gemcutters: [20] since they are found as primary constituent minerals within an igneous bedrock rather than in sedimentary alluvial deposits where most other sapphires are located, [5] [18] they retain a perfect or near perfect crystalline shape, making cutting much easier, as does their lack of inclusions ...
The 423-carat (85 g) blue Logan Sapphire. Sapphire is a saturated shade of blue, referring to the gemstone of the same name. Sapphire gems most commonly occur in a range of blue shades, although they can come in many different colors. Other names for variations of the color sapphire are blue sapphire or sapphire blue, shown below.
[5] [6] Much of the expansion of ultramarine can be attributed to Venice which historically was the port of entry for lapis lazuli in Europe. Ultramarine was the finest and most expensive blue used by Renaissance painters. It was often used for the robes of the Virgin Mary and symbolized holiness and humility. It remained an extremely expensive ...
Ads
related to: how much does blue sapphire costjamesallen.com has been visited by 10K+ users in the past month