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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/

Even the most general definition of a gem has many exceptions. Learn what qualities have been used to identify gemstones both scientifically and popularly.

What are Gemstones? - Eternal Tools

www.eternaltools.com/blog/what-are-gemstones

Jun 6, 2013 ... A gemstone is the name given to a piece of mineral (or other rock or organic material) that after it has been cut and polished has been made ...

Gemstones - Creetown Gem Rock Museum

www.gemrock.net/learn/gemstones/

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/5902212/ten-gemstones-that-are-rarer-than-diamond

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 ...

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 ...

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 ...

What is Moissanite? - Moissanite.com

www.moissanite.com/educate/what-is-moissanite

Moissanite, also known as silicon carbide, is a gemstone unlike any other. With more brilliance and fire than diamond, this stone has been a source of intense ...

The Difference Between a Synthetic, Genuine, and Imitation Gemstone

www.daysjewelers.com/blog/the-difference-between-a-synthetic-genuine-and-imitation-gemstone/

The Difference Between a Synthetic, Genuine, and Imitation Gemstone. This entry was posted on December 4, 2014 by Day's Jewelers. What a great question to ...

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Minerals, Rocks and Gems - GemSelect

www.gemselect.com

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

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

Gemstone - definition of gemstone by The Free Dictionary

www.thefreedictionary.com

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.