Rare earth elements lanthanum cerium praseodymium neodymium promethium samarium europium gadolinium terbium dysprosium holmium erbium thulium ytterbium and lutetium many of these are used to create nuclear power. The ancient greeks made a distinction between precious and semiprecious gems which is still used. Learn more about what it takes to invest in these prized commodities. A gemstone is a crystalline mineral that can be cut and polished to make jewelry and other ornaments. Precious metals like gold silver and platinum have been recognized as valuable for a very long time.
Precious metals are rare naturally occurring metals with great economic value. Chatoyant material sometimes yields catseye fibrolites which are also very rare. Precious stones were hard rare and valuable. The most well known precious metals are gold platinum and silver. What is a precious stone.
Silver makes up only about 00001 of one percent. It is used as currency and in jewelry making. Gold and platinum each make up about 0000005 of one percent of the earth s crust. The only precious gemstones are diamond ruby sapphire and emerald. These terms are based on old traditions from the west.
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Blue and greenish gems are lovely although very difficult to cut. The list of gemstones below will discuss the difference between a precious stone and a semi precious stone as well as guide you to where the gemstone treatments are discussed. Silver is one of the precious metals. What is the difference between precious stones and semi precious stones. Blue and greenish gems are lovely although very difficult to cut.What is the difference between precious stones and semi precious stones. Silver makes up only about 00001 of one percent. Precious metals are rare naturally occurring metals with great economic value. Rare earth elements lanthanum cerium praseodymium neodymium promethium samarium europium gadolinium terbium dysprosium holmium erbium thulium ytterbium and lutetium many of these are used to create nuclear power.
