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 $250.00.
As of November 2009 price for Ammonium Perrhenate (the most commonly traded form of Rhenium) is US$ 3500-4000/kg Rhenium content. see www.metal-pages.com Metal powder and pellets can be produced from APR at additional expense of US$ 200-300/kg. As of Tuesday, April 10, 2008, the mid spot price for rhenium was $10,700 per kilogram or $344.01 per troy ounce. Making it the eight most expensive precious metal following Osmium (at $380 per troy ounce). 2012 Update: Price of rhenium in APR (ammonium perrhenate) is around US$3000./kg Re. During 2011 we have seen a slight increase from slightly below 3000 to 3500 level and Q2/2012 falling back to around $3000./kg.