This list does not intend to be complete - and has been last updated December 5th in 2025

• Mineralienatlas
• Ron Coleman Mining
• Jim Coleman's Crystal Mines
• Don Burrow Collier Creek Crystals
• The Arkenstone
• Mineralientage München
• The Tucson Gem and Mineral Show
• Mindat Org
• The quartz page
• The Tucson Show Guide
• Mineral & Gem, St. Marie aux Mines
• B2B minerals Tucson, former TopGem
• North Star Minerals

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• der Reviersteiger - Altbergbau und Untertagefotografie
• agates.eu - Achate aus dem Sudetenland
• Mineralogische Staatssammlung München
• Freiberg Sachsen terra mineralia
• Das Clausthaler Geomuseum
• Smithsonian Institute
• Erlebnisbergwerk Dorotheastolln
• John Betts Fine Minerals