-
Diamonds Unearthed - Science - Smithsonian
In the first installment of a multi-part series, Smithsonian diamond expert Jeffrey Post explains how the rare crystals form.
http://www.smithsonianmag.com/science-nature/diamonds-unearthed-141629226/?no-ist
-
Minerals, Gems Information, Facts, News, Photos - National Geographic
Get information, facts, photos, news, videos, and more about minerals and gems from National Geographic.
http://science.nationalgeographic.com/science/earth/inside-the-earth/minerals-gems
-
How Gemstones Are Formed - YouTube
How gems like quartz, amethyst, sapphire, ruby and emerald are formed on earth.
https://www.youtube.com/watch?v=VH6jqQHA_f4
-
Ruby and Jade, First 'Tectonic Gemstones,' Reveal Earth's History - Gemstones & Plate Tectonics
Ruby and jadeite are proposed at the first tectonic gemstones. What do they reveal about the history of plate tectonics?
http://www.livescience.com/34772-ruby-jade-tectonic-gemstones.html
-
Gem Formation: How are Gemstones Created?
To understand how crystals grow, it is helpful to actually make some. The simplest method is rock candy, which is crystallized sugar.
https://www.gemsociety.org/article/gem-formation/
-
10 Most Rare Gemstones in the World Rarer than a Diamond - Geology IN
Gemstones are a reflection of a person's status in life. The more rare that it gets, the more desirable it becomes. That is why those seemingly innocuous stones and minerals can actually command millions of dollars. On the dark side, it can also be a cause for exploitation and even war.
http://www.geologyin.com/2014/12/10-most-rare-gemstones-in-world-rarer.html
-
Geology of Gemstones and Precious Stones
Geology and mineralogy of gemstones.
http://geology.about.com/od/gems/
-
Gemstones - Geology
Stories, photos, facts and information about gemstones from around the world!
http://geology.com/gemstones/
-
Gemstone: Comprehensive guide to Gemstones
Interactive guide to the most popular gemstones.
http://www.minerals.net/GemStoneMain.aspx
-
Gemstone - Wikipedia
A gemstone or gem (also called a fine gem, jewel, or a precious or semi-precious stone) is a piece of mineral crystal, which, in cut and polished form, is used to make jewelry or other adornments.
https://en.wikipedia.org/wiki/Gemstone
