Keywords: Verneuil process diagram.svg 3 cellspacing 0 align center style border 2px solid seagreen; margin 1 5em 0em 1 5em 0em; + style background seagreen; color white; Verneuil Process - background lightgreen; padding 0px 15px 0px 7px; border-right 2px solid seagreen; Created by Aram Dulyan User Aramgutang align right style padding-left 5px; Date 16'FEB 2006 - 4 style background mintcream; padding 0px 15px 0px 7px; border-right 2px solid seagreen; This diagram illustrates the Verneuil process flame fusion used to synthesise rubies and other forms of corundum Finely powdered aluminium oxide is released from the container at the top and travels down with the oxygen At the point where the oxygen enters the hydrogen environment combustion occurs with a flame of at least 2000°C The aluminum oxide powder melts into small droplets which fall onto the support below recrystallising into a boule The support is continuously and slowly withdrawn allowing a large boule to form Diagram created using Inkscape align right style padding-left 5px; Camera N/A - align right style padding-left 5px; ISO N/A - align right style padding-left 5px; Aperture N/A - align right style padding-left 5px; Shutter speed N/A Aramgutang Corundum Process diagrams SVG mineralogy Auguste Verneuil |