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3 results for “strip ratio mining” in Craft
Craft · 22 July 2026
Hallmarks and Assay: How Anyone Proves Gold Is Gold
…dustrial refining rather than a claim of literal chemical purity. · Alloying is not adulteration. Pure gold is too soft for most objects that get worn: a 24ct ring deforms, scratches and loses detail within months of daily use. Copper hardens and reddens; silver softens the colou…
Yusuf Demir · 12 min read
Craft · 3 August 2026
The Wedding-Season Bid: How Jewellery Demand Sets the Floor
…er they are purchasing an ornament or a store of value. They are purchasing both, and the ratio is negotiable. · That transaction, repeated across tens of thousands of counters, constitutes roughly half of world gold demand. It is also the least well understood half, because it b…
Yusuf Demir · 16 min read
Craft · 5 June 2026
The Alchemy of Craft: What Goldsmiths Know That Machines Don't
…ow. Palladium and nickel bleach the yellow out entirely to produce white gold. Change the ratio and you change the hardness, the melting range, the colour and the way the metal behaves under a graver. · Yellow 18k: typically ~75% gold, with copper and silver in near-balance for a…
Yusuf Demir · 11 min read
