http://www.minerals.net/ – Tons of free informational guide to minerals, crystals and rocks. This website is a great reference site for people interested in geology and is updated regularly.
https://www.toprocks.com/ – Check out the largest rock & mineral wholesaler in Africa!
http://www.free-form.ch/ – A site dedicated to lapidary and jewelery work with an interesting program of classes.
http://www.vlmf.at/ – Mineral collecting club in German for beginners of all ages.
https://gemguide.com/ – The GemGuide is your reliable industry leader for gem pricing and market information, with more than 30 years of supplying prices to the industry.
https://mineralen.startpagina.nl – Mineral directory featuring sites in Netherlands and other countries.
https://edelstenen.startpagina.nl – Gemstone directory featuring sites in Netherlands and other countries.
https://diamant.startpagina.nl – Diamond directory featuring sites in Netherlands and other countries.
http://www.rockshop.cz/ – Fine mineral specimens from Russia,China,Pakistan and other worldwide locations.Hand selected Moldavites for jewelers and collectors.Jewelry combined with Moldavites,semiprecious stones and crystals.
https://www.gemmo.eu/fr/ – Free gemology database to better understand and identify gems, syntheses & limitations.
http://www.mineralexpert.org/ – Mineral related website for all collectors, geologists and mineral enthusiasts.
https://www.mar-gems.de/– Your competent partner for a wide range of real colored gemstones, synthetic, artificial, reconstructed and imitated jewelry stones at wholesale prices.
http://www.rocktreasureswholesale.com – A great online rock shop for high quality crystals and other rocks.
http://texasjewelers.org – A statewide organization of retail jewelers who serves to promote the general welfare, standing, and prosperity of the jewelry industry in the state of Texas.
http://www.minrec.org – The mineral collector’s knowledge base to acquire quality content.
Minerals, Their Constitution and Origin – An amazing book that provides an introduction to mineralogy and for those who are interested in the fields of geology and materials science.
http://www.agates.eu/ – A handy website with great information about agates.
http://geology.com/ – Get the latest news and happenings in the world of geology and Earth science here.
http://coloreddiamondguide.com/ – Advice for fancy colored diamond shoppers who want to get the best value out of their dollars here.
http://www.directory4jewelry.com/ – Jewelry directory includes jewelry store list.
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