Web Results

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 ...

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 ...

geology.com/gemstones

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

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 ...

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.

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.

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  ...

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 ...

www.ebay.com/gds/What-is-Gemstone-/10000000204623083/g.html

A gemstone or gem (also called a fine gem, jewel, precious or semi-precious stone) is a piece of crystal (mineral), which, in cut and polished form, is used to ...