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2. List of gemstones by species - Wikipedia

   en.wikipedia.org/wiki/List_of_gemstones_by_species

   Gemstones of the World revised 5th edition, 2013 by Walter Schumann ISBN 978-1454909538 Smithsonian Handbook: Gemstones by Cally Hall, 2nd ed. 2002 ISBN 978-0789489852 hide

3. Precious metal - Wikipedia

   en.wikipedia.org/wiki/Precious_metal

   The best known precious metals are the precious coinage metals, which are gold and silver. Although both have industrial uses, they are better known for their uses in art , jewelry , and coinage. Other precious metals include the platinum group metals: ruthenium , rhodium , palladium , osmium , iridium , and platinum , of which platinum is the ...

4. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   In modern use, the precious stones are emerald, ruby, sapphire and diamond, with all other gemstones being semi-precious. [9] This distinction reflects the rarity of the respective stones in ancient times, as well as their quality: all are translucent , with fine color in their purest forms (except for the colorless diamond), and very hard with ...

5. List of U.S. state minerals, rocks, stones and gemstones

   en.wikipedia.org/wiki/List_of_U.S._state...

   Metal: Silver (1977); Nevada's nickname is the Silver State: Sandstone (1987) Precious Gemstone: Virgin Valley black fire opal (1987) Semiprecious Gemstone: Nevada turquoise (1987) New Hampshire [48] Beryl (1985) Granite (1985); New Hampshire's nickname is the Granite State: Smoky quartz (1985) New Jersey [49] Franklinite [50] New Mexico [51 ...

6. Hierarchy of precious substances - Wikipedia

   en.wikipedia.org/wiki/Hierarchy_of_precious...

   In popular culture, sets of precious substances may form hierarchies which express conventional perceived relative value or merit. Precious metals appear prominently in such hierarchies , but as they grow, gems and semi-precious materials may be introduced as part of the system.

7. 5 Precious Metals That Hold Steady Value in the Market

   www.aol.com/best-precious-metals-etfs-consider...

   Precious metals are a distinct asset class that many investors use to hedge other investments they may hold, such as stocks and bonds. This is because precious metals are often considered "safe...

8. List of individual gemstones - Wikipedia

   en.wikipedia.org/wiki/List_of_individual_gemstones

   Bahia Emerald [2]; Carolina Emperor, [3] [4] 310 carats uncut, 64.8 carats cut; discovered in the United States in 2009, resides in the North Carolina Museum of Natural Sciences, Raleigh, NC, US

9. Pros and cons of precious metals IRAs: What to know before ...

   www.aol.com/finance/pros-cons-precious-metals...

   Precious metals IRAs work similarly to traditional and Roth IRAs in terms of annual contribution limits and distribution rules. With a traditional IRA, you can contribute pre-tax funds to your ...