China–Japan Rare Earth Shock
During a political dispute, rare earth shipments to Japan were widely reported as disrupted, exposing how quickly minerals can become geopolitical leverage. The episode jolted manufacturers and pushed governments to treat “materials security” as strategic risk, not procurement trivia.
Japan and firms scrambled for stockpiles, substitutes, and diversification plans.
The shock became a recurring reference point in Western de-risking strategies.
Pax Silica is essentially an attempt to institutionalize the lesson: never let one supplier hold the switch.
