mineral · input

High-Purity Silica Sand (>99.5% SiO₂)

Primary glass-forming ingredient (~80% of batch). Must meet pharmaceutical purity standards to ensure optical clarity and chemical inertness. Globally distributed; not a chokepoint.

7

Source countries

4

Companies

1

Goods affected

0

Claims on record

What depends on it

Goods that need this input

1 essential American goods rely on high-purity silica sand (>99.5% sio₂) somewhere upstream in their supply chain.

Where it comes from

Source countries

Share of global supply, by country.

Who makes it

Supplier companies

4 companies produce high-purity silica sand (>99.5% sio₂).

Covia Holdings (SCR-Sibelco)

HQ US

Industrial-minerals producer (ex-Unimin/Fairmount Santrol); high-purity silica/quartz sand for glass, frac and industrial uses.

Sibelco

HQ BE

Global minerals company; one of two principal producers of crucible-grade high-purity quartz from Spruce Pine, NC.

The Quartz Corp (TQC)

HQ NO

Producer of ULTRA-high-purity quartz from Spruce Pine, North Carolina — the feedstock for semiconductor crucibles, fiber optics and solar.

U.S. Silica(SLCA)

HQ US

Largest US producer of commercial silica products including glass-grade sand; mines in Illinois, West Virginia, Texas. Supplies flat glass producers, container glass, and oil & gas (frac sand). Acquired by Apollo Global Management 2024 (take-private).