Silver stamped 975 will not turn your finger green.
Is an alloy that consists of 97.5% pure silver, and the rest is probably copper.
Yes, .999 which is 99.9% pure silver.
975 means it is 97.5% Sterling silver and the rest is copper, this means it is very good quality and very hard to come across. Most sterling silver is 925 which is 92.5% sterling silver.
Sterling silver
(9x100)+(7x10)+5x1)
0.2% of 975 = 0.2% * 975 = 0.002 * 975 = 1.95
36% of 975= 36% * 975= 0.36 * 975= 351
Multiples of 975, like 975, 1950, 2925 and so on.
3% of $975 = 3% * 975 = 0.03 * 975 = $29.25
how is silver plated silver worth now
.975 is 975/1000 as a fraction or 39/40 when simplified.