• Ruby-Sapphire.com – The gemology site of Pala/Collector’s ex-webmaster, Richard Hughes. One of the deepest gem sites on the web
• Academie voor Mineralogie (Academy for Mineralogy) – Belgian school, founded in 1969, active in gemology, mineralogy, and paleontology
• Adamas Gemological Laboratory & Gemological Software – Site of gemologist Marty Haske
• Asian Institute of Gemological Sciences – Thailand’s first gemology school and lab
• Canadian Gemmological Association – Canada’s national gemology association
• Carat Gem Lab – French lab located in Metz, Lorraine
• D-Gem-G – Germany’s oldest and most famous gemology institute and lab
• Gem and Jewelry Institute of Thailand – Bangkok-based government gem lab and school
• GemExpert – Advisory service regarding jewelry and gems from H.A. Hänni (SSEF) and Johannes Hunziker (University of Lausanne)
• Geminterest.com – A very nice French gemology and mineralogy site
• Gemlab.net – Well-equipped Liechtenstein-based gem lab
• The Gemmary – Serving the serious antique scientific instrument and book collector
• Gemmological Association of Great Britain
• Gemology World – Canadian Institute of Gemmology
• Gems & Gemmological Institute of Pakistan, Peshawar – Established by Trade Development Authority of Pakistan
• GéoForum – We’re told this is the reference site in France for the field of earth sciences—from geology to mineralogy to paleontology to volcanology
• Géopolis – French resource and forum on minerals, fossils, and geology
• GéoWiki – Encyclopedia dedicated to geology, mineralogy, paleontology, volcanology and other Earth sciences. Everyone can enrich by registering as a member
• GIA Online – Gemological Institute of America
• GIA Laboratory Bangkok – This site has some of its own research reports
• Gübelin Gem Lab – Site of the world-renowned Gübelin Gem Lab
• HRD – Diamond High Council, Antwerp, Belgium
• IBGM – Instituto Brasileiro de Gemas e Metais Preciosos – Nice Brazilian gem site
• IGE – Instituto Gemológico Español – Spanish gemological institute
• International Gem Society – Gemological site
• Laboratoire Français de Gemmologie – Paris gem lab
• Lotus Gemology – Bangkok-based gem lab of Richard W. Hughes, Wimon Manorotkul and E. Billie Hughes: employing science, valuing beauty
• Mexican Amber – Dave Gibson’s information on and guide to Mayan amber from Chiapas, Mexico
• Mindat.org – Fabulous site, probably the best site for mineral data on the web
• Mineral & Gem à Sainte-Marie-aux-Mines – Exposition continuing to be held in Sainte-Marie-aux-Mines, former site of Euro-Mineral and Euro-Gem
• MineralTown.com – A Spanish website full of information on mineral collecting
• Pakistan Gems and Jewellery Development Company – Supported by the government of Pakistan
• Pegmatite Interest Group – For the pegmatite lovers out there
• Pricescope – Online forum devoted to gems
• Russian Gemological Server – Business, research and educational projects in gemology
• Swiss Gemmological Institute (SSEF) – One of the world’s top gem laboratories
• University of Texas Gemology Program – Very nicely done pure gemology

• Australian Gemmologist – Journal of The Gemmological Association of Australia
• Instore Magazine – Magazine for the American jewelry store owner
• Gems & Gemology – The world’s finest gemological publication, from the GIA
• The GemGuide – From Gemworld International, publishers of The Guide, the best price guide to gems. Pala’s own Josh Hall is on the Board of Advisers
• IDEX Magazine – UK Magazine covering the diamond trade
• Jewelers’ Circular Keystone (JCK) – Famous trade magazine 
• Jewellery News Asia – Asia’s best jewelry trade magazine (registration required)
• Journal of Gemmology – The official journal of the Gemmological Association of Great Britain
• Lapidary Journal Jewelry Artist – Magazine devoted to jewelry and lapidary arts
• Mineralogical Record – The finest magazine devoted to the mineral collector
• MJSA Journal – Devoted to jewelry arts, published by Manufacturing Jewelers & Suppliers of America
• Modern Jeweler – Magazine for the American jeweler
• National Jeweler – NYC-based jewelry trade magazine
• Professional Jeweler Magazine – Jewelry magazine
• Rapaport’s Diamonds.net – Famous diamond price sheet; also has news about colored stones
• Rocks & Minerals – America’s oldest popular mineral magazine
• The Roskin Gem News Report – Hosted by gemologist, educator, author, and journalist Gary A. Roskin

• Bowers Museum – Featuring the magnificent Michael Scott collection of gems and minerals
• Carnegie Museum of Natural History – Hillman Hall of Minerals and Gems, Pittsburgh, PA
• Harvard Mineralogical Museum – Mineral museum at Harvard University
• Hermitage – Museum in St. Petersburg, Russia houses a magnificent collection of gold and jewels
• Houston Museum of Natural Science – Home of the Cullen Hall of Gems and Minerals, and the Lester and Sue Smith Gem Vault
• Los Angeles County Museum of Natural History – Home of the E. Hadley Stuart Jr. Hall of Gems and Minerals
• Louvre – One of the world’s finest museums, with many gems on display, Paris, France
• Muséum national d’Histoire naturelle – Lovely mineral collection, situated in the Jardin des Plantes, Paris
• National Mining Hall of Fame and Museum – Located in the famous 1880s silver mining boomtown of Leadville, Colorado
• San Diego Natural History Museum – Mineralogy Dept. of this fine museum
• A.E. Seaman Mineral Museum – Michigan’s official state museum of minerals, at Michigan Tech
• Smithsonian Institution – Department of Mineral Sciences
• Sterling Hill Mining Museum – Located in the famous Franklin, New Jersey area
• Tower of London – Home of the British crown jewels, in London, UK 
• Virtual Museum of the History of Mineralogy – Books, instruments, and crystal models

• Palaminerals.com – Sister site of Palagems.com, offering fine mineral specimens
   
• Alpine Minerals – Minerals from Gerd Wiedenbeck, Heidelberg, Germany
• Attard’s Minerals – Minerals from John and Kathy Attard
• John Betts Fine Minerals – Hundreds of minerals for sale online
• Lawrence H. Conklin – Fine minerals
• Coromoto Minerals – Mining at the Orchard Mine, Buckfield, Maine, USA
• Graeber & Himes – Fine minerals from around the world
• William Heierman’s Corunduminium – Corundum collector’s nirvana
• The Mineral Gallery – The original online gallery for mineral and crystal enthusiasts
• Optical Calcite – Miners and suppliers of African optical calcite
• The Sunnywood Collection – Museum-quality minerals, fossils and carvings

Palagems.com – Wholesale sales of precious stones, from Pala International

Gem Artists of North America – Organization of gem artists and gem designers
Lambert Industries – Gems, custom jewelry and gem-cutting services from David Glickman
Mystical Merchant – Gems, crystals, carvings, jewelry: metaphysical designs by Bill Mason

The Collector – Fine jewelry and mineral specimens

Mystical Merchant – Gems, crystals, carvings, jewelry: metaphysical designs by Bill Mason
Paradise Jewelry – Jewelry store in Naples, Florida
Raymond Jewelers – West Hartford, CT jeweler

• American Gem Society
• American Gem Trade Association
• California Federation of Mineralogical Societies – Gem and mineral clubs in California
• CIBJO – The World Jewellery Confederation
• Gem Artists of North America – Organization of gem artists and gem designers
• International Colored Gemstone Association
• Jewelers Board of Trade – Credit information about gem and jewelry companies
• Jewelers of America – America’s largest jewelers association
• Mineralogical Society of America

Hidden Forest – Site of our neighbor, wildlife artist, Gamini Ratnavira