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Silver: real vs fake

Name: Legitly
Price: 4.99 USD

Every Silver checkpoint on this site states a measurement, an accept range and how we arrived at it. No comparison photos we didn't shoot, no certificates.

Real vs fake guides

How To Tell If Silver Is Real: 12 Measured Checks 16 measured checks

Checkpoints covered

Water displacement density 10.36 g/cm3 for sterling; 10.49 for fine silver; 10.31 to 10.35 for 90 percent coin silver
Fineness stamp 925 parts per thousand for sterling; 900 coin, 800 continental, 830 Scandinavian, 835 German and Dutch, 950 French, 958 Britannia, 999 fine
UK hallmark set 3 compulsory marks (sponsor, fineness, assay office) on any silver article over 7.78 g sold in the UK; a date letter is optional
Magnet pull 0 movement toward a neodymium magnet; a steel-cored piece jumps, real silver does not move
Ice melt rate 428 W/m K thermal conductivity for silver; copper 401, brass 111, nickel silver 24.9, stainless steel 14.4
Ring duration 1 to 2 seconds of sustained ring when a coin or round is balanced on a fingertip and tapped with another coin; the 1 oz Silver Eagle peaks near 6145 Hz
Test acid colour 925 reads dark red under a silver testing solution; 999 bright red, 800 brown, 500 green, base metal no red at all
Silver Eagle weight 31.103 grams and 40.60 mm across, 2.98 mm thick, 99.9 percent silver, per the US Mint and Gainesville Coins
Edge reed notch 1 deliberate gap in the reeded edge on every Silver Eagle struck from mid-2021 onward; position changes each year
Pre-1965 coin weight 6.25 grams for a 90 percent silver quarter; dime 2.5 g, half dollar 12.5 g, Morgan or Peace dollar 26.73 g; a clad quarter is 5.67 g
Plating thickness 2 to 3 microns of silver on typical plated fashion jewellery; 0.1 to 0.25 for flash plate, 7 to 15 for plated cutlery; a jeweller's XRF reads 10 to 50 microns deep
Cadmium content 0.01 percent by weight, the UK legal ceiling for cadmium in jewellery; sterling is 92.5 percent silver and 7.5 percent copper