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Month: March 2020

Precious Metals

Precious Metals

A precious metal is a very rare, naturally occurring metallic chemical element with a highly economic value. Chemically, the precious metals tend to be less reactive than most elements. They are usually ductile and have a high luster. Historically, precious metals were important as currency but are now regarded mainly as investment and industrial commodities. The precious metals are gold silver and platinum. Not only gold, silver and platinum …

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Diamonds

Diamonds

A diamond forms under high temperature and pressure conditions that exist only about 100 miles beneath the earth’s surface. Diamond’s carbon atoms are bonded in essentially the same way in all directions. Another mineral, graphite, also contains only carbon, but its formation process and crystal structure are very different. Graphite is so soft that you …

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