High purity quartz: under the spotlight

By Jessica Roberts
Published: Wednesday, 21 December 2011

With an estimated market size of 100,000 tpa, and intrinsic ties to the semiconductor and photovoltaic cell markets, high purity quartz is the downplayed strategic mineral of the green technology boom


Under the spotlight: high-temperature lamp tubing,
such as mercury and halogen lamps, uses a
high purity quartz envelope to contain the lighting
components


When is quartz ‘high purity’? Many players in the quartz and silica sand industries define the grade as starting at the 99.95% SiO2 level (see table- High...

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