Blog
Insights & Analysis
Market commentary, research notes, and strategic analysis on critical metals, rare earth elements, and global supply chains from Procyon Metals.
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Rare-Earth Investing in 2026: ETF, Mining Share or Physical Holding? A Private-Investor Guide to Ownership, Custody and Exit Risk
27 Jul 2026
A sober 2026 guide to rare-earth investing: ETF, mining-share and physical routes, with the documents, custody terms and resale tests that matter.
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Cross-Border Metal Tax Risk in 2026: When a “Tax-Free” Sale Is Not Tax-Free in France, Belgium and Switzerland
27 Jul 2026
A 2026 cross-border guide to TMP, VAT, capital gains and vault-location risk for private holders of physical metals in France, Belgium and Switzerland.
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Geneva Freeport Custody: What a Storage Receipt Must Prove
27 Jul 2026
A practical guide to Geneva Freeport metals custody: title evidence, VAT suspension, insurance, audit trails, and withdrawal risk.
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Strategic Metals in 2026: How to Read Price References, Assays and Custody Records Before You Buy
27 Jul 2026
A practical 2026 guide to strategic metals: rare earths vs critical materials, indicative prices, COAs, custody records and buying routes.
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How to Invest in Rare Earths Physically in 2026: What Makes a Holding Resale-Ready
27 Jul 2026
A practical 2026 guide to buying physical rare earth oxides, covering title, custody, documentation, storage jurisdictions and resale readiness.
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Physical Copper for Private Investors: How VAT, Storage and Resale Frictions Distort Direct Exposure
27 Jul 2026
A sober guide to physical copper investing in France: VAT, storage, title, insurance and resale realities behind direct ownership.
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Japan–South Korea Rare Earth Cooperation: A Structural Supply Chain Axis Taking Shape
16 Jun 2026
Japan and South Korea are forming a rare earth supply-chain axis built on JOGMEC financing, Korean magnet capacity, and Lynas-linked ties to Australia.
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Why Critical Minerals Project Timelines Stretch: A Risk Framework for the Rare Earth Project
15 Jun 2026
Operational framework for the rare earth project timeline: permitting, financing, offtake, construction, ramp-up, and why schedules slip.
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Substitution Reality Check: A Supply-Chain Resilience Framework for Cobalt, Dysprosium, Gallium,
13 Jun 2026
Operational framework for assessing where cobalt, dysprosium, gallium, PGMs, and tungsten can be substituted—and where risks persist.
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10 Critical Minerals Every Investor Should Know: Supply Concentration, End Uses, Chokepoints
12 Jun 2026
A practical critical minerals list covering 10 key metals, from NdPr to Sb, with supply concentration facts, end uses, and the chokepoints that matter.
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Physical Strategic Metals: How Custody, Purity and Resale Decide Whether a Lot Can Move
11 Jun 2026
How physical strategic metals stay marketable: form, purity bands, assay discipline, allocated custody, and dealer, refiner and OTC exit channels.
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Samarium-Cobalt in Defense: Thermal Advantage, Material Trade-Offs, and Supply Chain Risk Framework
7 Jun 2026
A practical framework for understanding samarium-cobalt in defense: SmCo5 vs Sm2Co17, thermal performance, and supply chain risk in samarium and cobalt.
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Strategic Metals Storage: Jurisdictions, Custody Models, and Failure Modes Compared
6 Jun 2026
A comparison framework for strategic metals storage across Geneva, Singapore, and Delaware, covering custody, audits, insurance, and exit pathways.
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China Rare Earth Export Quota Framework: What MIIT and MNR Actually Control
4 Jun 2026
A concise explainer of China’s rare earth quota framework, covering MIIT, MNR, SOE producers, export controls, and what the regime does and does not limit.
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The Hidden Bottleneck: A Supply-Chain Risk Framework for Critical Minerals Refining
1 Jun 2026
Operational framework for analyzing critical minerals refining risk across rare earths, lithium, cobalt, and graphite, with qualification and compliance…
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What Is Neodymium? A Supply Chain Framework for the Magnet Metal Behind EVs and Wind
30 May 2026
Operational explainer on neodymium, NdPr oxide, NdFeB magnets, and why EV and wind demand creates concentrated supply chain dependencies.
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DPA Title III Critical Minerals Funding: How the Pentagon’s Industrial Base Tool Actually Works
29 May 2026
An executive explainer on DPA Title III critical minerals funding, including legal authority, award structures, and what announced projects reveal.
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Top 10 Structural Differences in Critical Minerals ETFs: REMX, LIT, COPX, BATT Compared
27 May 2026
A deep comparison of REMX, LIT, COPX, and BATT by methodology, country exposure, miner-processor mix, and concentration.
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USGS 2025 Critical Minerals List Update: Copper, Uranium and Metallurgical Coal Added to Federal
26 May 2026
USGS has expanded the 2025 US critical minerals list to 60 minerals, broadening federal supply-chain, permitting and research priorities.
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Mine-to-Magnet Risk Mapping: Where Western Rare Earth Supply Chains Hold and Fail
25 May 2026
How to read Western rare earth projects stage by stage: separation, metal, alloy and magnet bottlenecks, plus offtake and qualification signals.
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What Is Gallium? Supply Concentration and Export Control Risk Framework
23 May 2026
A practical framework for analyzing gallium uses, supply concentration, GaN exposure, and the structural impact of China’s 2023 export controls.
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What Is Terbium? A Supply Risk Framework for the Heavy Rare Earth Behind EV Magnets
22 May 2026
Operational framework for analyzing terbium supply risk: Dy pairing, southern China concentration, magnet and phosphor uses, substitution, recycling.
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Solvent Extraction vs Ion Exchange in Heavy Rare Earth Separation: The Scale–Selectivity Trade-off
21 May 2026
Why solvent extraction dominates bulk heavy rare earth separation, where ion exchange still matters, and what evidence makes either route credible.
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What Dysprosium Is and Why It Matters: A Supply-Chain Risk Framework
21 May 2026
Operational framework for dysprosium uses, heavy rare earth concentration, magnet dependence, substitution limits, and recycling constraints.
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Overlooked Rare Earth Elements: A Supply Risk Framework for Yttrium, Europium and Gadolinium
18 May 2026
A practical framework for tracking yttrium, europium and gadolinium supply risk, end uses, export-control exposure and NdPr blind spots globally.
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Critical Minerals Price Volatility: A Supply Risk Interpretation Framework
17 May 2026
Framework for reading critical minerals price volatility through refining concentration, export controls, by-product dependency, and delays.
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Critical Metals Explained: A Supply Chain Risk Framework for Family Offices and Physical Commodity
16 May 2026
Operational framework for critical metals risk: concentration, processing chokepoints, export controls, traceability, custody, and due diligence.
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Critical Metals Supply Resilience: Exposure Mapping, Failure Modes, and Decision Signals
15 May 2026
A practical framework for analysing critical metals exposure, supplier concentration, failure modes, and resilience signals in global supply chains.
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NdPr, Dysprosium and Terbium: Where the Rare Earth Magnet Supply Chain Actually Breaks
15 May 2026
How the rare earth magnet supply chain concentrates risk in NdPr, dysprosium and terbium: separation, heavy-REE feedstock and China exposure.
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Rare Earth Recycling and Urban Mining: A Supply-Risk Framework for NdPr, Dysprosium and Terbium
15 May 2026
A neutral framework for assessing rare earth recycling, magnet feedstocks, traceability, and the limits of urban mining in NdPr and Dy-Tb.
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Rare-Earth-Free Motors After the 180 kW SynRM Milestone: Real Diversification or Expensive
15 May 2026
Rare-earth-free motors are credible in select uses, but permanent magnet motors still dominate where torque density, efficiency and packaging matter most.
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Samarium-Cobalt Magnets to 550°C: The Defense-Grade Magnet Story Beyond NdFeB
15 May 2026
Why samarium-cobalt magnets matter in defense and aerospace, where SmCo beats NdFeB on heat, corrosion, and stability, and where supply risk sits.
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Project Vault and the Critical Minerals Paradox: What IT Leaders Need to Do Now
3 May 2026
Why a US critical minerals stockpile still runs through China: midstream refining, 5N gallium and germanium, NdFeB, and what infrastructure leaders do now.
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Critical Metals Resilience: A Procurement Playbook for Mapping Exposure and Securing Supply
29 Apr 2026
A procurement playbook for critical metals resilience: map exposure, dual-source at the right stage, structure contracts, and track leading indicators.