- DMF International - Unites dealers of minerals, fossils and precious stones as well as publishers and dealers of geological accessories, and organizers of mineral fairs. [German, English]
- Links for Mineralogists - Annotated links to internet resources, especially for mineralogists, petrologists, crystallographers, and geologists.
- Mineral Collectors Links Page - Internet mineralogy portal containing links to sites related to minerals.
- The Vug - Extensive portal to mineral, gem, fossil and related web sites.
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