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and a list of what to look for on the coin – but they would have to use the loupe correctly and understand what they were looking at
A digital loupe with a nice large (50mm diameter) screen and bright light (which can also be switched to UV)
Handheld presidium gem tester (GEMTEST-PGI)
absolutely
100g / 0.01g On Balance RIOT Digital Mini Scale Digital scales - regular lines - multi-range and a list of whatSummary Pocket size balance for gemstones. Model: On Balance RT 100. Weighs up to 100g and down to 0. 01g. Suitable for weighing gold up to 100g (though it's a bit 'over the top' in sensitivity for just gold); good for gemstones (100 points = 1 carat, 5 carat = 1 gram so this weighs down to the nearest 5 points). Download instruction manual. To read an article about weighing and weighing machines click here. This weighing machine is not approved for