If you listen to the talking heads on the news, you’d think the entire future of the planet rests on lithium. Now, don’t get me wrong, lithium is fine for your phone or that shiny new electric truck, but if you want to know what’s actually keeping our missiles on target and our jet engines from shaking apart at three thousand degrees, you have to look deeper into the periodic table. You have to look at Samarium (Sm), element number 62.
I call it the “quiet professional” of the rare earth world. It doesn’t have a flashy marketing department, but it’s got the grit to work where other metals quit. It was first pulled out of a mineral called samarskite back in 1879 by a Frenchman named Lecoq de Boisbaudran. I reckon he didn’t know then that he’d stumbled onto the backbone of modern national defense, but here we are, nearly 150 years later, and the world is scrambling for every ounce of it.
The Grit of Element 62
What makes Samarium special isn’t just its magnetic pull; it’s its ability to keep its cool when the mercury rises. Most folks know about Neodymium magnets. They’re the strong ones that keep your laptop closed. But those popular magnets lose their lunch when things get hot. Once you cross a certain temperature, they lose their magnetism entirely. Samarium-Cobalt (SmCo) magnets, on the other hand, stay strong up to 350°C.
That heat resistance is why Samarium is a strategic heavyweight. Without it, your precision-guided munitions, high-performance aerospace actuators, and high-speed turbines are just expensive paperweights. It’s the difference between a missile that hits its mark and one that tumbles into the dirt because its guidance system fried.
A Lopsided Poker Game: The Global Supply Chain
Right now, the global mining map looks like a lopsided poker game, and the U.S. is trying to play catch-up with a short stack. China holds the high cards, producing over 70% of the world’s rare earths. They play the long game, controlling the market through giants like China Northern Rare Earth. Trailing far behind are Australia, led by Lynas Rare Earths, and us here in the States with MP Materials.
We’re pulling the rock out of the ground at Mountain Pass, California, but the “refining” part is where the real magic, and the bottleneck happens. Turning raw ore into 99.9% pure Samarium metal requires a chemical gauntlet known as solvent extraction. It’s a messy, complex process that involves hundreds of tanks and a lot of chemistry. For decades, we were happy to ship our “dirty” dirt across the Pacific to let someone else handle it. Now, we’re realizing that whoever owns the refinery owns the future.
Current Mining Leaders:
- China: Dominates with massive integrated operations and lower regulatory hurdles.
- Australia: Lynas provides a critical non-Chinese source through their Mt Weld mine.
- United States: MP Materials is working hard to bring full “mine-to-magnet” capabilities back to American soil.
The 2026 Outlook: Tight as a Rusted Bolt
As we move through 2026, the supply and demand balance for Samarium is getting tighter than a rusted bolt on an old rig. Demand is trekking upward at about 5% annually. Why? Because the defense sector is nervous, and the electric vehicle (EV) industry is realizing they need SmCo magnets for specialized high-heat motors. In the next ten years, we expect this demand to accelerate as aerospace technology pushes into higher temperatures and faster speeds.
Our overall U.S. strategy is finally waking up. We’re seeing government initiatives to stockpile strategic metals and provide tax credits for domestic processing. The goal is a “closed-loop” system where we aren’t at the mercy of foreign whims. But there’s a hurdle: permit purgatory. It can take a decade to get a new mine or refinery approved in this country. If we don’t fix the red tape, we can identify all the ore bodies we want, but they’ll stay buried in the ground while our adversaries move ahead.
Substitutes and the Scrap Heap Treasure
People often ask me, “Hale, can’t we just use something else?” Well, when the heat is on, there aren’t many substitutes. You can try to go back to old-school Alnico (Aluminum-Nickel-Cobalt) or Ferrite magnets, but you’ll lose the power and double the weight. In a fighter jet or a missile, weight is everything. There is no “Plan B” for Samarium in high-temperature precision environments.
The real hope lies in recycling. For decades, we’ve treated these metals like trash, throwing old electronics and military hardware into the scrap heap. We’re finally seeing a trend toward “magnet-to-magnet” recovery, where we pull the Samarium and Cobalt out of old parts and put them right back into the supply chain. It’s in its infancy, but it’s high time we started treatin’ our tailings like the treasure they are.
“The future isn’t just electric—it’s magnetic. And Samarium is the one holding it all together when the temperature starts to climb.”
If we fail to secure new sources of Samarium, we aren’t just looking at higher prices for gadgets; we’re looking at a genuine threat to national security. We need more than just one mine in California; we need exploration, we need smarter permitting, and we need a lot more dirt under our fingernails. The gold is there, it’s just element 62 this time around.
"If it isn't grown then it has to be mined."