When Was Tungsten Discovered and Who Found It?

Tungsten was first isolated as a pure metal in 1783 by two Spanish-Basque brothers, Juan José and Fausto de Elhuyar, working at the Royal Seminary of Vergara in northern Spain. But the story stretches back more than three decades earlier, involving a Swedish mineralogist, a famous Swedish chemist, and a naming dispute that has never fully been resolved. The element’s discovery was not a single eureka moment but a slow accumulation of clues across Scandinavia and the Iberian Peninsula.

The Mineral That Started Everything

In 1751, the Swedish mineralogist Axel Fredrik Cronstedt noticed an unusually heavy mineral in an iron mine at Bispberg, Sweden. Because of its remarkable density, he named it “tungsten,” from the Swedish words “tung” and “sten,” meaning “heavy stone.”¹ That mineral is now called scheelite, a calcium tungstate. Cronstedt had no way of knowing that a previously unknown metallic element was locked inside it, but his observation planted the seed. The mineral sat in collections and curiosity cabinets for a generation before anyone tried to take it apart chemically.

Meanwhile, a separate mineral, a dark iron-manganese tungstate, had long been recognized as a nuisance in tin smelting. German miners called it “wolfram” (sometimes rendered as “wolf rahm,” roughly “wolf’s froth”) because it consumed tin the way a wolf devours sheep. That ore is now called wolframite. These two minerals, scheelite and wolframite, turned out to harbor the same new element, but it would take decades for anyone to connect them.

Carl Wilhelm Scheele and the Acid

The critical chemical step came in 1781, when Carl Wilhelm Scheele, one of the most prolific experimentalists of the eighteenth century, decomposed Cronstedt’s heavy mineral using nitric acid. He isolated a white earthy substance he called “tungstic acid,” correctly concluding that it contained a previously unknown “earth” that could yield a new metal if reduced.¹ Scheele published his results but never managed to reduce the acid to the metal itself. He was already in declining health and died in 1786 at the age of just 43, having come tantalizingly close.

That same year, Torbern Bergman, another leading Swedish chemist and Scheele’s mentor, urged further experiments and suggested that an entirely new metal was waiting to be freed from the acid. Bergman also died before the work could be completed. The baton passed, almost by accident, to Spain.

The de Elhuyar Brothers and the 1783 Isolation

Juan José de Elhuyar had studied in Freiberg, Saxony, under the renowned metallurgist Abraham Gottlob Werner, and had visited Sweden, where he learned of Scheele’s work firsthand. When he returned to Spain and joined his younger brother Fausto at the Royal Basque Society’s seminary in Vergara, the two set about repeating and extending Scheele’s experiments. Rather than working with scheelite, they used wolframite, the iron-manganese tungstate that had plagued tin smelters for centuries. They dissolved it in acid, isolated the same tungstic acid Scheele had described, and then reduced it with charcoal in a closed crucible.

The result was a dark, extremely hard metallic regulus. The brothers announced their success in a paper read before the Royal Basque Society in September 1783, making them the first people to produce elemental tungsten. In honor of the ore they had used, they proposed calling the new element “wolfram,” a name that persists in most of continental Europe, in the element’s chemical symbol (W), and in many other languages. The English-speaking world, however, adopted the older Swedish mineral name “tungsten.”

Why the World Cannot Agree on a Name

Few elements carry two internationally recognized names as stubbornly as this one. In Germany, Spain, France, Russia, and much of Latin America, the metal is called wolfram. In English, Swedish, and a handful of other languages, it is tungsten. The International Union of Pure and Applied Chemistry (IUPAC) accepted “tungsten” as the official element name but kept “W” as the symbol, a compromise that satisfied nobody completely. The dual naming reflects the element’s dual discovery path: the Swedish mineralogical trail through scheelite, and the Spanish metallurgical triumph using wolframite.

The tension is not just semantic. Historical credit is wrapped up in the name. Calling the element “wolfram” foregrounds the de Elhuyar brothers’ achievement with that specific ore. Calling it “tungsten” honors the earlier Swedish identification of the unusual mineral that started the hunt. Both names encode genuine contributions, which is probably why neither side has ever been willing to concede.

From Laboratory Curiosity to Industrial Metal

For more than a century after the de Elhuyars’ experiment, tungsten remained a scientific curiosity with almost no practical use. The metal was extraordinarily hard and had the highest melting point of any element, around 3,422 °C, but nobody could work it into useful shapes. It was too brittle to draw into wire, too difficult to machine, and too scarce to bother with when steel and iron were cheap and available.

That changed at the turn of the twentieth century, when the push for better electric lighting created enormous demand for filament materials that could withstand high temperatures without melting or evaporating. Carbon filaments burned out quickly. Osmium and tantalum filaments were expensive and fragile. Tungsten was the obvious theoretical candidate, if only someone could make it bend. In 1909, William D. Coolidge at General Electric developed a powder metallurgy process that made tungsten ductile for the first time, enabling it to be drawn into the fine wire needed for incandescent lamp filaments.² Coolidge’s breakthrough was not a chemical discovery but an engineering one: by pressing tungsten powder at high temperatures and then mechanically working the resulting billet, he created a metal that was both strong and flexible enough for commercial production. That process essentially launched the industrial powder metallurgy field.

Within a few years, tungsten filament bulbs replaced virtually all competing technologies, and the metal went from near-obscurity to mass production. Even after compact fluorescent and LED lighting displaced incandescent bulbs in most households, tungsten filaments remain in specialty lighting, including halogen bulbs and high-intensity stage lighting.

Where Tungsten Comes From

Tungsten is extracted from two main ore minerals: wolframite and scheelite. Both form in high-temperature geological environments, typically where magma-derived fluids push through surrounding rock and deposit metallic compounds in veins and skarns. The geochemistry of these deposits varies. Scheelite ores in South China’s massive tungsten districts, for instance, carry different trace-element signatures depending on whether the mineralizing fluids were oxidizing or reducing, a detail that geologists use to fingerprint deposit types and predict where to explore next.³

Once mined, the ore concentrates go through a multi-step refining chain. A modern tungsten processing plant typically calcines the ore, dissolves it under pressure, purifies the solution, converts it to ammonium paratungstate (APT), and then crystallizes it. APT is the standard intermediate product in the global tungsten trade; most downstream products, from metal powder to tungsten carbide, begin life as APT.⁴

China dominates global tungsten production, which has raised persistent supply-security concerns. Export restrictions and trade disputes have periodically tightened availability, and the metal has few viable substitutes in its most demanding applications.⁵ This concentration of supply has put tungsten on critical-materials lists in the European Union, the United States, and elsewhere, driving interest in recycling tungsten carbide scrap and developing alternative deposits outside China.

Tungsten in Nuclear Fusion and Extreme Heat

Tungsten’s extreme melting point and resistance to erosion have made it the leading candidate for plasma-facing components in experimental nuclear fusion reactors. In devices like ITER, the walls closest to the superheated plasma experience enormous heat fluxes and particle bombardment. Tungsten’s combination of high thermal conductivity, low radioactive activation compared to many other refractory metals, and high resistance to sputtering makes it the go-to material for these brutal conditions.⁶ Much of the current research focuses on making tungsten tougher at lower temperatures, where its natural brittleness becomes a liability, and on developing tungsten alloys that can survive the neutron damage expected in a working fusion power plant.

How Tungsten Helps Date Earth’s Core

One of tungsten’s most surprising roles has nothing to do with industry. In geochemistry, a particular isotope of tungsten serves as a clock for events that happened in the first tens of millions of years of the solar system. Hafnium-182 decays to tungsten-182 with a half-life of about nine million years.⁷ Because hafnium stays in silicate rock while tungsten preferentially enters metallic iron, the moment a planet’s iron core separates from its rocky mantle, it locks in a particular tungsten isotope ratio. By measuring that ratio in meteorites and in Earth’s mantle rocks, scientists can work out when core formation happened.⁸

The hafnium-tungsten system has proven that Earth’s core formed remarkably quickly, within roughly the first 30 million years after the solar system’s solid materials condensed. It has also been used to date the giant impact believed to have formed the Moon. Without tungsten isotopes, much of what we know about the earliest stages of planetary formation would remain speculative.

Living Organisms That Need Tungsten

Tungsten is not just an industrial and geological curiosity. A small number of microorganisms actually depend on it for survival. Certain heat-loving archaea, organisms that thrive in boiling volcanic springs and deep-sea hydrothermal vents, use tungsten-containing enzymes to drive key metabolic reactions. The best-studied example is Pyrococcus furiosus, an archaeon that grows optimally at 100 °C and uses a tungsten-dependent enzyme called aldehyde ferredoxin oxidoreductase as part of its sugar-fermenting metabolism.⁹

These hyperthermophilic archaea appear to be the only organisms that are obligately tungsten-dependent, meaning they cannot function without it. Other microbes, including certain methane-producing archaea and acetate-producing bacteria, also use tungsten enzymes but can often substitute molybdenum when tungsten is unavailable.¹⁰ In all these enzymes, the tungsten atom sits at the active site coordinated by a pterin-based cofactor, structurally similar to the way molybdenum is held in the much more familiar molybdenum enzymes found across all domains of life.¹¹

The existence of tungstoenzymes has raised interesting evolutionary questions. If the earliest life on Earth emerged near hydrothermal vents where tungsten was more readily available than molybdenum, tungsten-dependent metabolism might represent an ancient biochemistry that was later supplanted as the oceans’ chemistry changed. Whether that speculation holds up remains an open question, but it makes tungsten one of the few heavy metals with a genuine, if narrow, biological role.

Tungsten Ammunition and Environmental Concerns

Tungsten’s density, similar to that of lead, made it an attractive candidate for “green” ammunition after the U.S. Environmental Protection Agency banned lead in certain military training rounds in 1997. The U.S. military began using tungsten-nylon composite rounds at small arms ranges in 2000. Within five years, however, the program was halted because of concerns about tungsten’s environmental mobility and potential toxicity.¹²

Studies at firing ranges found tungsten concentrations in surface soil as high as roughly 2,080 mg/kg at the berm face, dropping sharply with depth but remaining above background levels down to at least 150 centimeters. Tungsten also showed up in groundwater monitoring wells about 30 meters below the surface, confirming that it was not staying put the way regulators had hoped.¹² The episode illustrated a recurring pattern in materials science: a substitute introduced to solve one environmental problem (lead contamination) can introduce problems of its own that only become apparent after deployment.

Research into tungsten’s toxicity is still evolving. Animal studies have raised questions about whether tungsten alloys could promote tumor growth, and epidemiological investigations near tungsten-contaminated sites have been inconclusive. The element does not yet carry the kind of established regulatory limits that lead or mercury do, partly because its environmental behavior is less well understood and partly because widespread human exposure has historically been limited to occupational settings.