A closed shop? Examining the HPQ supply chain

By IM Staff
Published: Tuesday, 26 February 2019

The global high-purity quartz market remains as tightly controlled as ever, despite efforts by China, junior companies and synthetic material producers to open up the supply chain, correspondent Rose Pengelly writes.

The high-purity quartz (HPQ) industry remains one of the mostly tightly controlled of all the industrial minerals sectors globally.

With just a handful of established producers, a small number of economic deposits of ultra-pure quartz worldwide and the lack of a standard processing route, the HPQ market is a tough...

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