1-Diamond
2-Platinum
3-Radium
2006-09-26 23:13:24 · 10 answers · asked by ahmed i 1 in Business & Finance ➔ Investing
Radium is radioactive and exist in nature only in trace amounts. Extraction from uranium ore -7 tons yield about 1 gram of radium- costs a few hundred thousand dollars per gram.
Compare this to platinum which costs about 50 dollars per gram.
A diamond of 1 gram or 5 carat costs about 100000 dollars too, but diamond is not a metal.
2006-09-26 23:48:03 · answer #1 · answered by cordefr 7 · 0⤊ 1⤋
Diamond is not a kind of metal.The most valuable metal is
Platinum.
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2006-09-27 06:18:56 · answer #2 · answered by Anonymous · 1⤊ 0⤋
By valuable, I would have to consider the metal that is in the greatest demand... and I still think gold takes the award.
2006-09-27 07:28:46 · answer #3 · answered by Mike S 7 · 1⤊ 0⤋
diamond is stone but platinum will be valuable
2006-09-29 07:09:57 · answer #4 · answered by Anonymous · 1⤊ 0⤋
diamond isnt a metal its stone metal is platinum
2006-09-27 06:15:54 · answer #5 · answered by Anonymous · 1⤊ 0⤋
Diamond. Diamond is the most in demand also is the hardest metal.
2006-09-27 06:17:31 · answer #6 · answered by kaeleymel 3 · 0⤊ 2⤋
Aluminium is the most valuable metal
2006-09-27 09:31:33 · answer #7 · answered by Sandee 5 · 0⤊ 1⤋
What's the most valuable automobile?
1-Ice Cream
2-Lexus
3-Mercedes
2006-09-27 23:35:08 · answer #8 · answered by Anonymous · 1⤊ 2⤋
platinum, im not sure why, but thats what my friends say
2006-09-27 06:21:42 · answer #9 · answered by Anonymous · 1⤊ 0⤋
platinum
2006-09-27 06:16:27 · answer #10 · answered by Joe Cooker 3 · 1⤊ 0⤋