Precious metal: Difference between revisions
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imported>Howard C. Berkowitz (New page: {{subpages}} '''Precious metals''' are defined, variously, to be metals used for coinage or as monetary standards, or as scarce metals of high value. The first category invariably ...) |
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'''Precious metals''' are defined, variously, to be metals used for [[coinage]] or as [[monetary standard]]s, or as scarce metals of high value. The first category invariably includes [[gold]] and [[silver]]; while [[copper]] and [[nickel]] are used for coinage, they are usually not considered precious. | '''Precious metals''' are defined, variously, to be metals used for [[coinage]] or as [[monetary standard]]s, or as scarce metals of high value. They tend to have high corrosion resistance and general durability. The first category invariably includes [[gold]] and [[silver]]; while [[copper]] and [[nickel]] are used for coinage, they are usually not considered precious. | ||
In the second category, [[platinum]] is the most prominent member. [[Rhodium]], [[rhenium]] and [[palladium]] are also often considered part of the group. | In the second category, [[platinum]] is the most prominent member. [[Rhodium]], [[rhenium]] and [[palladium]] are also often considered part of the group. | ||
Latest revision as of 10:40, 24 October 2009
Precious metals are defined, variously, to be metals used for coinage or as monetary standards, or as scarce metals of high value. They tend to have high corrosion resistance and general durability. The first category invariably includes gold and silver; while copper and nickel are used for coinage, they are usually not considered precious.
In the second category, platinum is the most prominent member. Rhodium, rhenium and palladium are also often considered part of the group.