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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/

Emerald, ruby, opal, gems and jewels. These words have been in our vocabulary for thousands of years. However, defining what a gemstone is has proven to be ...

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 - 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 and Jewelry Glossary and Terms - Jewelry Television

www.jtv.com/library/gemstone-glossary.html

From abalone to zircon, learn about gemstone and jewelry terms in our extensive photographic glossary.

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.

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 ...

Precious Gemstones | Types of Gemstone | DK Find Out

www.dkfindout.com/us/earth/crystals-and-gems/what-is-gemstone/

Some stones form especially large, striking, colorful, and hard-wearing crystals. Most gemstones, or gems, are made from these crystals. From deep-red rubies ...

What Is Tourmaline Gemstone | Tourmaline Stone – GIA - GIA.edu

www.gia.edu/tourmaline

Tourmalines have a variety of exciting colors with one of the widest color ranges of any gem species, occurring in various shades of virtually every hue.

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What are Gemstones? - Eternal Tools

www.eternaltools.com

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

geology.com

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

Birthstones Guide by Month | Learn gemstone colors for birthdays

www.wixonjewelers.com

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