TAD - Day 22: Larvikite and argentium silver pendant
Today's Thing is a pendant made from a larvikite slab, wrapped in argentium silver wire. Wikipedia tells us that "Argentium sterling silver is a modern sterling silver alloy which modifies the traditional alloy (92.5% silver + 7.5% copper) by replacing some of the copper with the metalloid germanium. As it retains the 92.5% silver content of the traditional alloy, it is still referred to as sterling silver." For jewellery makers, the important thing about argentium is that, due to the modified alloy, it tarnishes much slower than traditional sterling silver.
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