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3 results for “metal detecting finds” in Craft
Craft · 5 June 2026
The Alchemy of Craft: What Goldsmiths Know That Machines Don't
…in twenty-four by mass — 75 per cent gold, marked 750. The remaining quarter is alloying metal, usually copper and silver, which determines hardness and colour. · Why is pure gold rarely used in jewellery? At 24k gold is soft enough to be marked by a fingernail's pressure over t…
Yusuf Demir · 11 min read
Craft · 3 August 2026
The Wedding-Season Bid: How Jewellery Demand Sets the Floor
…ugh that the piece is close to a savings instrument, while retaining enough alloy for the metal to survive being worn. Western markets favour 14 and 18 karat, which are harder and cheaper but hold far less metal. · What are making charges? The fabrication cost a jeweller adds to…
Yusuf Demir · 16 min read
Craft · 22 July 2026
Hallmarks and Assay: How Anyone Proves Gold Is Gold
…with silver and lead and heated in a porous cupel. The lead oxidises and, along with base metals, is absorbed into the cupel wall, leaving a bead of gold and silver. The bead is treated with nitric acid to dissolve the silver — the step traditionally called parting — and the rema…
Yusuf Demir · 12 min read
