Critical mineral supply chains are no longer shaped by market fundamentals alone. They are being reorganised by strategic rivalry, export controls, industrial subsidies, defence procurement rules and renewed resource nationalism. Although mineral deposits remain geographically uneven, the most consequential concentrations increasingly lie in midstream capabilities: refining, separation, metallisation, precursor production, component manufacture and customer qualification. This produces a central paradox: governments can mandate diversification quickly, but alternative supply chains must be financed, permitted, built, commissioned and qualified on much slower industrial timescales. This presentation examines how the widening gap between geopolitical urgency and industrial delivery is reshaping mineral economics. Donald Trump’s return to the White House has intensified uncertainty through a more transactional approach to alliances, trade, tariffs and domestic production. At the same time, China’s use of export controls and its entrenched processing advantages demonstrate how relatively small volumes of specialised material can exert disproportionate leverage over large downstream industries. The resulting policy response – stockpiles, price support, offtake agreements, public equity, procurement restrictions and friend shoring – may improve resilience, but can also fragment markets, duplicate capacity and transfer risk to governments and producers. Australia illustrates both the opportunity and the constraint. Its resource base and strategic partnerships position it as a preferred supplier, yet extraction alone does not create supply-chain sovereignty. Capturing greater value requires commercially durable processing, enabling infrastructure, technical skills, patient capital and reliable access to downstream customers. The presentation argues that success should be judged not by project announcements or tonnes in the ground, but by strategic deliverability: the capacity to move material through an economically viable, technically qualified and politically sustainable chain. It concludes with practical implications for industry and government as they navigate price volatility, policy instability and an increasingly fractured global market.