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Gemstone

en.wikipedia.org/wiki/Gemstone

A gemstone or gem is a piece of mineral crystal, which, in cut and polished form, is used to make jewelry or other adornments. However, certain rocks (such as ...

What is a Gem? - International Gem Society

www.gemsociety.org/article/what-is-a-gem/

However, defining what a gemstone is has proven to be a major challenge. Not for everyday people with common sense, but for those lexicographers who have  ...

Minerals, Rocks and Gems - GemSelect

www.gemselect.com/other-info/minerals-rocks-gems.php

Dec 21, 2007 ... What is the difference between a mineral, a rock and a gemstone? You'll find some answers here.

Gemstones: Facts, photos, information for 100+ gems - Geology.com

geology.com/gemstones/

Detailed information and photos for over 100 gemstone varieties from around the world!

Minerals, Gems Information, Facts, News, Photos -- National ...

science.nationalgeographic.com/science/earth/inside-the-earth/minerals-gems/

Many minerals form beautiful crystals, but the most prized of all are gemstones. Uncut gems are often fairly ordinary looking. It's only when they are cut and ...

Gemstone - definition of gemstone by The Free Dictionary

www.thefreedictionary.com/gemstone

A precious or semiprecious stone that may be used as a jewel when cut and polished. American Heritage® Dictionary of the English Language, Fifth Edition.

Gemstone: Comprehensive guide to Gemstones

www.minerals.net/gemstonemain.aspx

Interactive guide to the most popular gemstones. ... Welcome to the gemstone section, a free informational reference guide to gemstones, jewelry, and precious  ...

Birthstones Guide by Month | Learn gemstone colors for birthdays

www.wixonjewelers.com/education/gemstones/birthstones/

Birthstones are gemstones that accompany a birth month, each having a unique meaning and historical significance. The popularity of birthstones dates back to ...

Guide to Gemstones - Colors & Meanings | Wixon Jewelers

www.wixonjewelers.com/education/gemstones/gemstone-guide/

Gemstones have played various roles in the myths and legends of human cultures throughout history. Some tell a story or are believed to have special powers, ...

Zircon: The gemstone Zircon information and pictures

www.minerals.net/gemstone/zircon_gemstone.aspx

Detailed gem and jewelry information guide about the gemstone zircon: ... Zircon gemstones containing radioactive element traces undergo a process called ...

More Info

What are Gemstones? - Eternal Tools

www.eternaltools.com

Jun 6, 2013 ... ... answers your question, what are gemstones? Plus an insight into buying gemstones, the value of gemstones and how gemstones are formed.

Gemstones - Creetown Gem Rock Museum

www.gemrock.net

There are over two hundred recognised gemstones. Most are minerals and are cut from naturally occurring crystals. To qualify as a gem, the specimen should be  ...

10 Gemstones Much Rarer Than Diamond - Io9 - Gizmodo

io9.gizmodo.com

Apr 16, 2012 ... Many people know that diamond is actually pretty common when it comes to gemstones (you can find millions of them in your typical candle ...