Sub-category 18.5
Silica Sand & Quartz (Wafer Feedstock)
High-purity quartz is the starting material for polysilicon and ultimately wafers. Surprisingly concentrated supply (Spruce Pine, NC).
Players
Players: Sibelco Private, The Quartz Corp Norsk/Imerys, U.S. Silica Apollo (taken private), Covia Private, Mitsubishi Materials 5711.T (polysilicon)
Analysis coming soon — this page is scaffolding for deeper research into silica sand & quartz (wafer feedstock).