Tofauti kati ya marekesbisho "Elimu madini"

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* [http://mineralogicalassociation.ca/ Mineralogical Association of Canada]
* [http://www.mineralogy.be/ Virtual Museum of the History of Mineralogy]
* [http://giantcrystals.strahlen.org/The Giant Crystal Project]{{Dead link|date=January 2021 |bot=InternetArchiveBot |fix-attempted=yes }}
* [http://www.geosociety.org/The Geological Society of America]
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