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| View Original: | Flame fusion of corundum.jpg (1005x408) | |||
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| Keywords: Flame fusion of corundum.jpg 3 cellspacing 0 align center style border 2px solid seagreen; margin 1 5em 0em 1 5em 0em; + style background seagreen; color white; Flame Fusion - background lightgreen; padding 0px 15px 0px 7px; border-right 2px solid seagreen; Taken by Aram Dulyan User Aramgutang align right style padding-left 5px; Date 22'FEB 2005 - 4 style background mintcream; padding 0px 15px 0px 7px; border-right 2px solid seagreen; Corundum ruby being created using flame fusion The material after passing through a flame at more than 2000°C melts and fuses into droplets which crystallise on a support below forming a single crystal called a boule The photo shows an artificial crystal in the process of production by this method withdrawn from the flame before completion taken at the Natural History Museum London align right style padding-left 5px; Camera Canon PowerShot A75 - align right style padding-left 5px; ISO 100 - align right style padding-left 5px; Aperture F 3 5 - align right style padding-left 5px; Shutter speed 1/50 s Aramgutang Corundum Synthetic minerals | ||||
