None minted for circulation since 1968. Later proof coins and some commemorative issues have been made in .8 silver.
If its date is 1964 or earlier, it's made of an alloy of 90% silver and 10% copper. All circulating dimes dated 1965 and later are made of copper-nickel, with no silver at all. Starting in 1992, special "Prestige Proof" coin sets have been issued for sale to collectors; the dimes in these sets are again made of 90% silver but these coins don't circulate.
Beginning in1965, dimes were made without silver. Up to 1964, dimes were made of 90% silver. The nominal weight was 2.5 gm so 0.90 * 2.5 gm = 2.25 gm of pure silver.
The Mercury Dime contains: 0.900 silver and 0.100 cooper. The net weight of the pure silver in this coin is: 0.07234 oz.
You can check the composition of a 1948 dime using a magnet. If the dime is attracted to the magnet, it likely contains iron and is not pure silver. A pure silver dime will not be attracted to a magnet.
A 1935 US dime should be made of 90% silver and 10% copper. You can check the edge of the coin for a visible silver coloration. Alternatively, you can use a magnet - silver is not magnetic, so if the dime does not stick to the magnet, it is likely silver.
Canadian dimes minted between 1920 and 1966 contain 80% silver and 20% copper.
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A 1956 Canadian dime is worth approximately 2 dollars.
Canadian silver dollars contain 0.6 troy ounces of silver.
Canadian silver dollars contain 0.6 troy ounces of silver.
80% silver, 20% copper, with an original weight of 2.33 grams.
If you're referring to a 1965 American dime, none. All 1965 and later US dimes and quarters, and 1971 and later halves, are made of a 3-layer "sandwich" containing only copper and nickel. They don't contain any silver, so they don't have any extra value unless you have an uncirculated or proof coin in its original packaging. If you're referring to a 1965 Canadian dime, it contains 1.864 gm of silver. These coins weighed 2.33 gm and were 80% silver.
Any Canadian dime dated 1967 or earlier is silver. Then some in 1968 were 50% silver, others were pure nickel. The nickel ones are magnetic.
About 1 mm. You can always use a ruler.
No, no US dimes dated 1976 contain any silver at all.
Dime minted before 1965 contain 90% silver. With a total weight of 2.5 grams, that makes 2.25 grams of silver per dime.
There is a 1921 dime that is estimated to only have 400 left.