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Some Precious metal terminology GF = Gold fill Gold fill is a base metal ; usually brass overlaid on all sides with gold and fused together 14/20 GF is 20% by weight 14 carat gold on a base metal fill ss = sterling silver An alloy of 92.5% silver and 7.5% some other metal ( usually Copper ) fs = fine silver 99.9% pure silver Gold is usually alloyed with some other metal or metals for color and hardness and other properties The number indicates the gold content in 24 parts: 24 Carat is pure Gold 14 Carat is 14 parts Gold (58.3% ) and 10 parts other metal 41.7% 10 Carat is 10 parts gold (41.7%) and 14 parts other metal (58.3%)
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For wire gauge table see Wire gauge
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Gold Specific Gravity Melting point boiling point
oK 1947.5 5352.5 0C 1064.2 2955.9 19.3 gram per CC 316.270 Gram / cubic inch 10.16848 oz Troy / cubic inch Silver Specific Gravity Melting point boiling point 10.49 oF 1763.2 3761.33 oK 1234.93 2435 oC 961.78 2161.85 10.49 gram per CC 171.9 Oz. troy / cubic inch Copper Specific Gravity Melting point boiling point 8.69 oF 1984.32 ????? oK 1556 oC 1084 8.69 Gram per CC
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