1 Raw iron is found in earthâs crust, as an ore. 2  Iron ore mostly found as Fe 2 O 3 (the form of iron oxide found as the mineral hematite).
A US quarter struck in 1964 or 1965 (dated 1965) and later weighs about 5.67 grams. A US quarter struck between 1930 and 1964 weighed 6.25 grams. This would make a roll of qâ¦uarters, or 40 quarters, weigh between 226.8 grams and 250 grams. This is about half a pound for the lower figure and almost 1 ounce more for the higher figure.
The value of silver varies, as it is a commodity. Depending on the condition and the mint, you may have values above the value of the silver inside of it.Quarters weigh 6.25 grams and are 90% silver by composition. At the time of this writing, a silver quarter for melt value would be worth about two US dollars.he value of silver varies, as it is a commodity. Depending on the condition and the mint, you may have values above the value of the silver inside of it.