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Gemstone - Wikipedia

en.wikipedia.org/wiki/Gemstone

A gemstone 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 lapis ...

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!

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 ...

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.

Gemstone | Definition of Gemstone by Merriam-Webster

www.merriam-webster.com/dictionary/gemstone

Define gemstone: a stone that can be used in jewelry when it is cut and polished — gemstone in a sentence.

1-6 What are Gemstones? | Smrt English

smrtenglish.com/unit/lesson/5961

Do you know what a gemstone is? Gemstones have many different names. Sometimes, people call them gems. Sometimes, people call them jewels. Sometimes ...

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 ...

What Is Tourmaline Gemstone | Tourmaline Stone – GIA

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.

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.

10 Gemstones Much Rarer Than Diamond - io9 - Gizmodo

io9.gizmodo.com/5902212/ten-gemstones-that-are-rarer-than-diamond

Mar 6, 2015 ... Many people know that diamond is actually pretty common when it comes to gemstones (you can find millions of them in your typical candle ...