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2. 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 ...

3. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments.

4. Pakistan Gems and Jewellery Development Company - Wikipedia

   en.wikipedia.org/wiki/Pakistan_Gems_and...

   In June 2013, Pakistan's gems and jewellery exports had risen from approximately $47 million to $1.2 billion since the establishment of Pakistan Gems and Jewellery Development Company in 2006. [ 4 ] In January 2017, a company official said that Pakistan should export more of its value-added precious and semi-precious colored gemstones so the ...

5. Hope Diamond - Wikipedia

   en.wikipedia.org/wiki/Hope_Diamond

   The Hope Diamond is a 45.52 carats (9.104 g; 0.3211 oz) diamond that has been famed for its great size since the 18th century. Extracted in the 17th century from the Kollur Mine in Guntur, India, [1] [2] the Hope Diamond is a blue diamond.

6. List of colleges and universities in Connecticut - Wikipedia

   en.wikipedia.org/wiki/List_of_colleges_and...

   The remainder of the state's public institutions constitute the Connecticut State Colleges & Universities, comprising four state universities, twelve community colleges, and an online school, Charter Oak State College. [2] Connecticut is also the home of one of the five federally-run service academies, the United States Coast Guard Academy.

7. Colombian emeralds - Wikipedia

   en.wikipedia.org/wiki/Colombian_emeralds

   Monarchs and the gem-loving royalty in India, Turkey, and Persia eventually sought the New World treasures once the gems arrived in Europe. These new emerald owners expanded their private collections with spectacular artifacts bedazzled with emeralds between 1600 and 1820, the time frame of Spain's control over the Colombian mines.