Adam's Minerals
Amazing Agates
American Hobby Shop - Gems & Minerals
Arizona Mineral Company
Art From God
Artistic Colored Stones
Attard's Minerals
Australian Amber
Australian Mineral Collector
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Australian Museum Minerals
Australian Opal Mines
Avalon Crystalworks
Black Opal Rough Supplies
Bob's Fluorite Gallery
Books On Gems & Minerals
Brazilian Agate Drusy Geodes
Buena Vista Gem Works
Canadian Ammolite
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Central Canadian Federation Of Mineralogical Societies
Chatham Created Gems
CK Minerals - Australian Minerals
Clear Creek Crystal Mine
Coast To Coast Rare Stones
Colonial Opal
Crystal Encounters
Crystal Vine - Minerals & Crystals
Cyber Crystals - Japan
Dad's Rock Shop
Dakota Matrix Minerals
Dale Minerals
Danilo Minerals
David Joyce Minerals
Delta Bravo Emeralds
Dennis Brand - Lapidary Arts
DesertUSA - Desert Environment & Geology - Rocks, Gems & Minerals
Designs By Nature
Diamonds
Diamonds Net
Digital Mineral Photography
Douglass Minerals
Edwards Minerals
Emeralds
Excalibur Mineral Company
Fabre Minerals
Ganoksin Galleries
Gem & Mineral Exploration
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Gem Mountain - Gemstone Mine
Gem World
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GemCutter - Facet Shoppe
Gemcutting - Both Art & Science
GeMin Fair & Mineral News
Gemology World - Canandian Institute Of Gemmology
Gems & Precious Materials
Gems & Precious Stones - Glossary Of Terms
Gemstone Sources Of Information
Gemstone World
Gemstones & Gemology Course
Geology Gems - Winona State University
Geoprime Minerals
GIA - Gemological Institute Of America
GIA - Gemological Institute Of America - Diamond Grading Report
Glacier Peak Mining
Great South Gems & Minerals
Harmon's Agate & Silver
Harry's Gemstones Bergslagssten
Henri Dillen Mineral Collection
Hillman Hall Of Minerals & Gems
Historical Study Of Precious Stone Valuations & Prices
How Are Gems Cut & Polished?
IC Minerals
IGC - International Gem Society
IGC Gemstone Reference Library
International Lapidary Association
Italian Minerals
Iteco Inc
Janet Annenberg Hooker Hall Of Geology, Gems & Minerals
John Betts - Fine Minerals
Jonathan's Mineral Exchange
Kalahari Minerals
Ken's Fluorescent Minerals
Kreigh's Homemade Lapidary Equipment
Kristalle Minerals - German
Lapis Mineralien Magazine
Lawrence Conklin Minerals
Lightning Ridge - Lost Sea Opals
Lithos & Minerals
Lucent Diamonds
Making Your Own Polariscope For Gemology
Marin Mineral Company
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Mineral Collection Of David Jegou
Mineral Collectors Page
Mineral Database
Mineral Exploration Services - Mineral Specimens
Mineral Miners
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Mineralogy Database
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MinerNet
Molecular Expressions - Photo Gallery
Molecular Expressions - Precious Gems & Metals Photomicrograph Collection
Montana Saphires
Mount Ida - Quartz Crystal Capital Of The World
Mountain Lily Gems
Multistone International
Mystic Merchant - Fine Gem Stones & Crystals
National Gemstones
New Zealand Ruby Rock
Only Petrified Wood
Opal Essence
Opals Guaranteed
OreRockOn
Orissa Gems
Ouachita & Ozark National - Minerals & Geology
Outback Gems
Owens Valley Minerals
Own Your Own Crystal Mine
Pegmatite Gem Mines Oxford County Maine
Penn Minerals
Polished Prices Diamonds
Pricescope Diamonds
Red Beryl Crystals
Rick Hudson - Rocks & Minerals
Rocks From The Collection Of Albert Hines
Rough & Ready Gems
Rough Diamond Guideline Price List
Royal Scepter - Gems & Minerals
Sapphire Untreated
Smale - Beautiful Minerals
Smithsonian Gem & Mineral Collection
Steinbach - Star Sapphires
Sun Angel Gemstone Glossary
Sweet Surrender Crystal Mine
Swiss Association Of Crystal-Searchers
Taking Photos Of Reflective Objects
The AGL Colored Stone Grading Report
The Albert Chapman Mineral Collection
The Amber Lady
The Arkenstone - Fine Mineral Specimens
The Arkenstone - Fine Mineral Specimens Gallery
The Australian Gemmologist
The Bryn Mawr College Mineral Collections
The Gem & Jewellery Export Promotion Council
The Gem Hut
The Gem Shop
The Gemmary
The House Of Tibara - Opal Specialists
The Kelly Mine - Smithsonite
The Kelrocks
The Mineral Gallery
The Mineral Gallery - Amethyst Galleries
The Mineral Gallery - Beautiful Mineral Photographs
The Mineral Gallery - Mineral Search
The Mineral Gallery - Minerals By Name
The Mineral Gallery - Native Elements Class
The Mineral Gallery - The Physical Properties Of Minerals
The Rainbow Of Gems
The Sunnywood Collection
The Vug
The Wired Chemist - Crystal Habits
Tideswell Dale Rockshop
Toprock Gemstones & Minerals
Tradeshop - Gemology & Lapidary Pages
Trafford Flynn - Fine Mineral Specimens
Treasures Of The Earth
Trinity Mineral Co
Trinity Mineral Co - Auction Room
Tyson's Fine Minerals
USGS Gemstone Publications
USGS Natural Gemstones
USGS - US Gemstones
Virtual Crystallography
White's Fine Gems & Custom Faceting
Whitesail Opal
Wilensky Minerals
World Of Rocks
Xtal - Mexican Gems
YupRocks
Zee's Minerals