- The Cripple Creek Collection
- Links to the pictures and information on the area famous for its gold telluride ores.
- Franklin and Sterling Hill Materials
- Contains basic information photographs on minerals, selected chapter form the published book by Pete J. Dunn, and an online book on the classic older study of the area’s minerals.
- Hop-Scotch Minerals
- Contains information on tourmaline finds and rare mineral discoveries in Maine.
- Mont Saint-Hilaire
- Dedicated to minerals and the studies of alkaline intrusive sites. Glossary and related links provided.
- Oman Virtual Field Trip Quiz
- Contains slides and description featuring Oman’s geology in an educational quiz format.
- Oregon Coast Agates
- Includes photos and tips to beach combing and agate and fossil mollusk hunting.
- UK Mining Ventures
- Featuring details on various mining locations in the United Kingdom.
- Wegner Quartz Crystal Mines
- Showcasing the clear quartz crystals prospected in the Quachita Mountains in west central Arkansas.
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