Search
Search the whole magazine.
Full-text search across every article — headlines, decks, body copy, pull quotes, captions and FAQs — plus our editorial and legal policies.
7 results for “treasure act” in Industry
Industry · 7 August 2026
After the Cyanide
…scale across the range of ore types the industry processes. · Why is cyanide used to extract gold? Because gold in ore is present at parts per million and locked in rock. A dilute alkaline cyanide solution — typically well under 0.05% — dissolves gold selectively into a soluble…
Tomas Herrera · 16 min read

Industry · 7 August 2026
How Fake Gold Is Detected
…s. · Tungsten is the counterfeiter's material of choice because its density is within a fraction of a percent of gold's, defeating simple weight-and-volume checks. · XRF is fast, non-destructive and reads only the outer tens of microns — it validates surface composition, never th…
Tomas Herrera · 16 min read

Industry · 2 July 2026
Nine Nines: Inside a Modern Gold Refinery
…ere quality mark. · Can gold be refined indefinitely, and is there a purity ceiling? In practice, yes there is a ceiling that is not worth crossing for most uses. Four nines (99.99 per cent) satisfies every wholesale, investment and most industrial specifications. Pushing further…
Tomas Herrera · 19 min read

Industry · 4 August 2026
The Gold Inside Your Phone
…ecified where a connection must not degrade: it does not form an insulating oxide, so contact resistance stays stable for decades. · Substitution is real and mostly already happened — copper bonding wire displaced gold across high-volume packaging years ago. · Industrial demand i…
Tomas Herrera · 18 min read

Industry · 20 August 2026
The Refiner's Ledger
…nto rough ingots at or near the mine site as the first stage of processing raw ore. Its exact composition varies from batch to batch and mine to mine, typically running somewhere between 60 and 90 per cent precious metal content. Because its purity is variable and unverified to w…
Tomas Herrera · 17 min read

Industry · 6 August 2026
The Scrap Trade
…be operating at a loss. · Is recycled gold better for the environment? It avoids the extraction impacts of new mine supply, which is a real difference. The claim is weaker than it looks in aggregate, though: recycled supply largely responds to price rather than displacing mine p…
Ingrid Sørensen · 16 min read

Industry · 28 July 2026
Urban Mining: The Richest Gold Ore on Earth Is in Your Old Phone
…rgy; the chemistry has been solved for decades. · Informal backyard recovery captures a fraction of the gold while releasing the most toxic residues. · Recycled metal already supplies a meaningful share of annual refinery feed and is the only supply source that responds quickly t…
Tomas Herrera · 16 min read

