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2. List of individual gemstones - Wikipedia

   en.wikipedia.org/wiki/List_of_individual_gemstones

   Samarian Spinel, the world's largest spinel; Menshikov Ruby, the world's second largest spinel set on top of the Great Imperial Crown of Russia; Timur Ruby, believed to be a ruby until 1851, hence its name; Black Prince's Ruby, the famous spinel mounted on the Imperial State Crown of the United Kingdom

3. 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

4. List of names derived from gemstones - Wikipedia

   en.wikipedia.org/wiki/List_of_names_derived_from...

   Given name Heliodor Given name / surname It is a given and surname. [2] [3] Heliodor is a specimen of the mineral Beryl. Heliodor has a yellow, greenish yellow, or golden-yellow color. The given name has a Czech-Slovak origin. [3] Precious coral: Coral (given name) Given name Coralie: Given name Coraline (given name) Given name Celestine ...

5. 18 Most Expensive Gemstones in the World - AOL

   www.aol.com/finance/18-most-expensive-gemstones...

   8. Grandidierite. Cost: $100,000 per gram or more Grandidierite is a gemstone that is a close cousin to serendibite, and both are extremely valuable. Grandidierite is named after its discoverer ...

6. List of rubies by size - Wikipedia

   en.wikipedia.org/wiki/List_of_rubies_by_size

   A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. [1] The word ruby comes from ruber, Latin for red.

7. Images of gemstones under a microscope are stunning - AOL

   www.aol.com/news/2015-01-22-images-of-gemstones...

   Creating these gorgeous photos is more than just clicking a button. Sanchez directs light through fiber optics then takes the photo with multiple different points of focus. The final image is a ...

8. List of minerals - Wikipedia

   en.wikipedia.org/wiki/List_of_minerals

   Sapphire (gem corundum of any color except red, especially blue varieties) Sard (a variety of chalcedony/quartz) Satinspar (a variety of gypsum) Selenite (a variety of gypsum) Simetite (a variety of amber) Smoky quartz (a brown or black variety of quartz) Soda niter (synonym of nitratine) Spectrolite (a variety of labradorite) Spessartite ...

9. Kimberlite - Wikipedia

   en.wikipedia.org/wiki/Kimberlite

   False-color scanning electron microscope image of kimberlite from South Africa. Olivine crystals (green) are in a fine-grained matrix made up of clay minerals and carbonates (presented in blue, purple and buff colors). Kimberlite is an igneous rock and a rare variant of peridotite. It is most commonly known to be the main host matrix for diamonds.