Drones Take an Estimated 4% of Global Germanium Demand

Drones deployed in the Russia-Ukraine war account for an estimated 4% of global germanium demand, according to BMO Capital, adding strain to a small critical minerals market dominated by China.

A single category of battlefield hardware has become a measurable force in one of the world's smallest and most strategically awkward metal markets. Drones deployed in the Russia-Ukraine war now account for an estimated 4% of global germanium demand, according to BMO Capital, as reported by Northern Miner. In a commodity measured in tonnes rather than millions of tonnes, and in which China holds the dominant position, that is not a rounding error.

Germanium is not mined on its own. It comes out of the ground as a by-product, chiefly of zinc concentrates and, in some jurisdictions, of coal fly ash. That single structural fact governs everything about the market: nobody can decide to open a germanium mine in response to a price signal. Supply expands only when zinc smelting expands, and only when the smelter in question is equipped to recover the trace material at all.

Why 4% Matters in a Market This Small

In a bulk commodity, a war-driven demand category worth 4% of consumption would be absorbed quietly. Germanium does not work that way. The market is thin, the buyers are concentrated in defence optics, fibre-optic cable, infrared sensing and specialised semiconductors, and there is very little idle capacity to call on. When a new buyer arrives with inelastic demand and a wartime procurement budget, the marginal tonne is bid away from someone else.

Drones are a natural germanium consumer because of infrared. Germanium is the workhorse lens material for thermal imaging: it is transparent in the infrared band where silica glass is not. Night-capable and thermal-seeking drones need those optics, and each airframe that is expended in combat takes its optics with it. Unlike a fibre-optic network or a satellite payload, this is consumption in the literal sense — the material is destroyed, not installed.

That distinguishes drone demand from most other end-uses in the market. Growth in fibre or in solar-adjacent applications builds an installed base that can eventually be recycled. Attritable munitions build nothing. The demand is recurring for as long as the conflict runs, and it competes directly with the civilian supply chain for the same scarce feedstock.

The China Problem Underneath the Numbers

The reason a 4% demand shift becomes a geopolitical story rather than a procurement footnote is the geography of supply. China dominates germanium production and refining. Western buyers of infrared optics, defence primes among them, therefore sit downstream of a supply chain whose chokepoint is controlled by a strategic rival — and one that has shown a willingness to treat critical minerals as an instrument of policy rather than purely as trade.

The policy toolkit here does not require an outright embargo to bite. Export licensing, end-user certification and administrative delay are enough to introduce uncertainty into the delivery schedules of Western manufacturers. For a metal with no meaningful spot liquidity and few alternative sources, uncertainty over delivery is functionally equivalent to a price increase, because buyers respond by stockpiling — which tightens the market further.

Western governments have spent the past several years building critical minerals lists, stockpile programmes and offtake support schemes. Germanium exposes the limits of that approach. You cannot subsidise a germanium mine into existence, because there is no such thing. Any Western supply response has to run through zinc smelting capacity, refinery retrofits to recover the by-product, or recycling of end-of-life optics and semiconductor scrap. All three are slow, capital-intensive and dependent on a base-metals business case that germanium alone will not carry.

Where a Supply Response Would Actually Come From

Investors looking for exposure to this squeeze should be clear about what they are buying. The most direct beneficiaries of tighter germanium are not exploration companies — they are the operators of zinc smelters with by-product recovery circuits, and the recyclers who process scrap optics and semiconductor waste. In both cases germanium is a revenue line inside a larger business, which mutes the leverage relative to a pure-play story.

Three routes to additional Western supply are worth tracking:

• Smelter recovery retrofits. Existing zinc operations that currently discard germanium-bearing residues could be re-engineered to capture it, subject to feed grade and capital cost.
• Recycling and scrap recovery. Infrared optics, fibre and semiconductor waste all contain recoverable germanium; the constraint is collection logistics and processing economics, not chemistry.
• Government stockpiling and offtake. Defence buyers who guarantee volumes at a floor price can make marginal recovery projects financeable in a way that spot-market pricing cannot.

Substitution is the counterweight. Zinc selenide and chalcogenide glasses can replace germanium in some infrared applications, and cost pressure is the strongest possible motivator for design engineers to qualify alternatives. Historically, sustained squeezes in small specialty metals have ended with demand destruction as much as with supply growth — a dynamic that argues for caution about extrapolating today's tightness indefinitely.

The Market Backdrop for a Risk-Off Read

The broad market was not in a mood to reward speculative themes on the day. As of the last trade at 20:00 GMT on 1 September 2026, the S&P 500 tracker (NYSEARCA: SPY) stood at $761.72, down 0.69% from a previous close of $767.05, within a day range of $759.48 to $764.67. The Nasdaq 100 fund (NASDAQ: QQQ) was weaker at $707.77, off 1.25% against a prior close of $716.76. The Dow tracker (NYSEARCA: DIA) traded at $527.75, down 0.72%.

That is a broadly negative tape led by technology, and it is the backdrop against which any critical minerals trade has to be judged. Defence and materials themes have periodically decoupled from the growth complex on geopolitical headlines, but small-cap developers in the space are still funded by risk appetite that softens when the Nasdaq leads to the downside.

What Would Confirm the Squeeze

The signals to watch are not equity prices in the first instance. They are physical-market indicators: reported germanium price quotations from specialty metals assessors, any change in Chinese export licensing practice, and disclosure from Western defence primes about qualifying secondary sources or alternative materials. Government stockpile announcements would be the clearest sign that the problem has moved from analyst estimate to procurement emergency.

The BMO figure is the useful anchor. If drone consumption is running at roughly 4% of world demand today, a change in the intensity of the conflict moves that number in either direction quickly, and a ceasefire would relieve the market faster than any new supply project could. Investors buying the squeeze are, in part, taking a position on the duration of a war.

Key facts

• Drone share of germanium demand: An estimated 4% globally (BMO Capital)
• Supply concentration: China dominates germanium production and refining
• S&P 500 tracker (SPY): $761.72, -0.69%, as of 20:00 GMT 1 Sep 2026
• Nasdaq 100 tracker (QQQ): $707.77, -1.25%, as of 20:00 GMT 1 Sep 2026

Frequently asked questions

How much germanium do war drones consume?

BMO Capital estimates that drones deployed in the Russia-Ukraine war account for about 4% of global germanium demand. Because germanium is a very small market by tonnage, a single new demand category of that size is significant, particularly when the material is consumed and destroyed rather than installed in equipment that can later be recycled.

Why is germanium used in drones?

Germanium is the standard lens material for thermal and infrared imaging because it transmits infrared light where ordinary glass does not. Night-capable and thermal-seeking drones rely on those optics. Each drone lost in combat destroys its germanium optics, making the demand recurring for as long as the conflict continues.

Why can't the West simply mine more germanium?

Germanium is not mined on its own. It is recovered as a by-product, mainly from zinc concentrates and in some cases coal fly ash. Supply therefore depends on zinc smelting volumes and on whether individual smelters have circuits capable of recovering the trace material, not on germanium prices alone.

What role does China play in germanium supply?

China dominates global germanium production and refining, which makes the metal a chokepoint in Western supply chains for infrared optics, fibre-optic cable and specialised semiconductors. Export licensing and administrative delay can tighten availability for Western buyers without requiring any formal embargo to be announced.

Which companies benefit from tighter germanium supply?

The most direct beneficiaries are operators of zinc smelters with by-product recovery circuits and recyclers processing scrap optics and semiconductor waste. In both cases germanium is one revenue line inside a larger business, so the earnings leverage to a germanium price move is more muted than a pure-play exposure would offer.

How did markets trade on the day of the report?

As of the last trade at 20:00 GMT on 1 September 2026, the S&P 500 tracker SPY was at $761.72, down 0.69%, the Nasdaq 100 fund QQQ at $707.77, down 1.25%, and the Dow tracker DIA at $527.75, down 0.72% — a broadly negative session led lower by technology.

Sources

• Drone wars deepen West’s critical minerals squeeze — Northern Miner

Photo: Samet Karakoç · Pexels Licence — source