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2. Gemological Institute of America - Wikipedia

   en.wikipedia.org/wiki/Gemological_Institute_of...

   Through its library and subject experts, GIA acts as a resource of gem and jewelry information for the trade, the public and media outlets. [ 2 ] In 1953 the GIA developed its International Diamond Grading System and the "four Cs" ( cut , clarity , color , and carat weight) as a standard to compare and evaluate the quality of diamonds.

3. Norwegian Gem - Wikipedia

   en.wikipedia.org/wiki/Norwegian_Gem

   Norwegian Gem was the newest cruise ship in Norwegian Cruise Line's fleet until the debut of Norwegian Epic in June 2010. Construction began on 7 June 2006 at the Meyer Werft Shipyard of Papenburg, Germany.

4. AOL Mail for Verizon Customers - AOL Help

   help.aol.com/products/aol-mail-verizon

   AOL Mail for Verizon Customers · Apr 30, 2024 Create and manage 3rd-party app passwords If you use a 3rd-party email app to access your AOL Mail account, you may need a special code to give that app permission to access your AOL account.

5. Tanzanite - Wikipedia

   en.wikipedia.org/wiki/Tanzanite

   Scientifically called "blue zoisite", the gemstone was renamed as tanzanite by Henry B. Platt, a great-grandson of Louis Comfort Tiffany and a vice president of Tiffany & Co., [17] who wanted to capitalize on the rarity and single location of the gem and thought that "blue zoisite" (which might be pronounced like "blue suicide") would not sell ...

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

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

   In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...

7. Gemstone irradiation - Wikipedia

   en.wikipedia.org/wiki/Gemstone_irradiation

   Gemstone irradiation is a process in which a gemstone is artificially irradiated in order to enhance its optical properties. High levels of ionizing radiation can change the atomic structure of the gemstone's crystal lattice , which in turn alters the optical properties within it. [ 1 ]