Bring the water to the boil but do not allow it to boil vigorously-maintain a gentle boil for one minute exactly. Remove the saucepan from the heat and allow the eggs to cool slowly in the water(this can take up to an hour). When the water is cool, remove the eggs, peel and slice in half.
See figure 2 for an example of a Baird Mint rhodium bar. The spot price of rhodium (November 2014) is at $1170.00 per Troy ounce. The 1/10 ounce bars sell for around $210.00 to $230.00. This is a much larger premium over the melt value when compared gold or platinum. The premium on the one ounce bar is around $200.00 to $250.00.
Rhodium is a silvery-white transition metal. It holds the distinction of being the world's most expensive precious metal. It has an atomic number of 45 and is about as nonreactive as gold. The only way to dissolve rhodium is with sulfuric acid.t holds the distinction of being the world's most expensive precious metal. It has an atomic number of 45 and is about as nonreactive as gold. The only way to dissolve rhodium is with sulfuric acid.