Links

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Below are links to informative web sites:

 Gem stones

http://www.gemselect.com/gem-info/gemstone-information-center.php

 

security information

http://www.jewelerssecurity.org/directoryServices.php

 

Agate information

http://www.jewelinfo4u.com/Agate_Facts_and_Buying_Guide.aspx#sthash.xGJZpB0L.dpbs

 

Healing properties

Crystal and  Astrology metaphysical properties

http://www.healing-crystals-for-you.com/sardonyx.html

Metals http://www.homeoint.org/morrell/articles/pm_metal.htm

 

Gemology information

http://gemologyproject.com/wiki/index.php?title=Table_Of_Contents

 

Synthetics and Fakes

http://gemologyonline.com/synthetics.html

http://www.gemstonetreatmentreport.com/Welcome.html

 

 

Gemology schools

GIA http://www.gia.edu/gem-encyclopedia

ISG http://www.schoolofgemology.com/

Gem-A http://www.gem-a.com/

DCA http://www.diamondcouncil.org/Default.aspx

AIGS http://www.aigsthailand.com/index.aspx?AspxAutoDetectCookieSupport=1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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