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Thursday, March 26, 2009
diamond cut designs2
diamond cut designs
Tuesday, March 24, 2009
the HUGe DIamond NEcklace
Diamond on show in Nanning 2
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A diamond, weighing 26.62 karats, is on display in Nanning, south China's Guangxi Zhuang Autonomous Region November 27, 2006. The diamond, named Aurora Borealis due to its color and place of discovery, is said to be valued at 40 million yuan (US$5.1 million). The diamond will go on an exhibition tour to other cities in China.
Diamond on show in Nanning
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Material Harder Than Diamond, Not From Outer Space
Scientists at Shanghai Jiao Tong University and University of Nevada, Las Vegas had created materials which are harder than diamond. Diamonds were thought as the hardest material in this world; however scientists converted certain materials with compressive pressure under indenter which were transformed into materials harder than diamond. The two materials were wurtzite boron nitride (w-BN) and lonsdaleite (hexagonal diamond). It was said that lonsdaleite was 50% harder than w-BN. The compressive pressure caused the structural phase transformation and atomic bonds flipping to transform the materials. The finding was published in Physical Review Letters.
DIAMONDS display
The State Library of Western Australia has new displays for Spring, all around the theme of diamonds. These displays are a great chance to see treasures from our stack and rare book rooms, giving you an idea of some of the items we have in our collection. You’ll also learn some interesting things!
We have one display for each of our floors, located near the lifts.
Ground Floor: ‘I can’t say no to diamonds’ is an elegant display of materials about jewellers of renown.
1st floor: ‘Romancing the stone: Diamonds as the icons of romance’ is a sassy yet sweet look at the connection between diamonds and romance.
2nd floor: ‘Elgar’s diamonds’ is an interesting take on the theme, with a fabulous array of materials on the life and works of Edward Elgar, who composed a piece for Queen Victoria’s Diamond Jubilee in 1897.
3rd floor: ‘The Carnot Bay Diamond Mystery’ is a display about a strange saga in Western Australia history. In 1942, a plane bearing millions of dollars of diamonds was shot down by Japanese bombers near Broome. A beachcomber found the diamonds and shared them among his friends. About half of the diamonds were recovered and he stood trial for their theft. He was acquitted; the rest of the diamonds have never - officially - been found.