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Arsenic

Semiconductor Materials

Arsenic As · 33

Famous as a poison, but in ultra-pure form it is half of gallium arsenide, the compound behind high-frequency radio chips.

Native arsenic2 · Miguel Calvo · CC BY 4.0 · Wikimedia Commons
Byproduct OnlyChip ChainCritical Mineral SiliconGalliumGermaniumIndiumTelluriumHigh-Purity Quartz

What is it?

Famous as a poison, but in ultra-pure form it is half of gallium arsenide, the compound behind high-frequency radio chips.

Why does it matter?

It is also an unavoidable contaminant in many copper and gold ores, which makes arsenic management a real cost of mining.

Deeper written sections for this material have not been published yet. Everything below is drawn straight from the source datasets and is complete.

Read the numbers correctly. Reported as arsenic trioxide equivalent. Trioxide for wood preservatives and glass; 7N metal for compound semiconductors.

Who produces it

See it on a map →

Production (arsenic trioxide, gross weight)

Production (arsenic trioxide, gross weight)metric tons 2025 (estimated) World total 61,000 metric tons

USGS Mineral Commodity Summaries 2026 · Reported as arsenic trioxide equivalent. · source ↗

Scroll the table sideways for the remaining columns.

CountryProduction Share of world
Peru 30,000 49.2%
China 24,000 39.3%
Morocco 5,000 8.2%
Belgium 1,000 1.6%
Russia 500.0 0.8%
Japan Zero —
United States Zero —
World total 61,000100%

“Withheld” means the USGS suppressed the figure to avoid disclosing an individual company's data — it does not mean zero. Country rows do not always sum to the world total because the source rounds each figure independently and does not always break out an “other countries” line.

Price

metal, annual average, U.S. warehouse, dollars per pound

Annual averagedollars per pound

2021 · 1.11 high 2.05 dollars per pound 2025 · 1.85

Basis: metal, annual average, U.S. warehouse, dollars per pound. Annual averages as published in USGS Mineral Commodity Summaries 2026 · source ↗. These are reference annual averages, not a live market quote.

What it is used for

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