How do you identify gemstones? Here we provide free information and reference material regarding how to identify gemstones. The Gemstones Section is sponsored by the International School of Gemology, and will be presented in three stages. First for Consumer Information to answer some of the frequently asked questions about the various gemstones. Then General Information for anyone wanting to know more technical information about the gemstone. And then the Gemological Information for gemologists is available through the International School of Gemology.

To learn more about gemstone identification and grading
visit the International School of Gemology

 

Amethyst 

Amber

Amazonite

 Ammolite

 Andalusite

 Apatite

Azurite

Aquamarine

Axinite

Benitoite 

Chrysoprase

Caymanite 

Charoite 

 Chrysoberyl

Cinnabar

  Citrine

 Conch Pearl

Diamond

Enstatite

Danburite

Dioptase

 Diopside

 Fire Agate

 Gaspeite

Emerald

Garnet

 Golden Beryl

Gaspeite 

 Iolite

Jade Nephrite

 Idocrase

Kyanite

Jadeite

 Kornerupine

 Kunzite

Larimar 

 Lapis Lazuli

Labradorite

Morganite 

Moldavite

Maw Sit Sit

Malachite

Opal

 Pearls 

Peridot

 Petalite

  Prehnite

Red Emerald

Rhodochrosite

Ruby

Sapphire

Scapolite

Seraphinite

 

Serpentine

Sinhalite

Shell 

 Sphene

Spinel

Sugilite

Sunstone

 Tanzanite

 Topaz

 Zircon 

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The information contained in this website is offered free of charge to anyone wishing to learn more about gemology. The information may be downloaded by any student, consumer, or jeweler for your own personal study and use. None of this site can be downloaded for posting on another website or server for any reason. It will be a violation of the copyright for anyone to copy, duplicate, distribute, and/or re-print this material in any format or any medium without written permission. Nor can anyone post this information on a for-profit website without written permission. That will ruin it for everyone and cause the entire site to be erased and canceled. Please honor this copyright for the good of everyone else.

Robert James FGA, GG.....YourGemologist