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Mindat.org is the world's largest open database of minerals, rocks, meteorites and the localities they come from.Mindat.org is run by the not-for-profit Hudson Institute of Mineralogy.

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Learn about the elements and their role in the mineral world.▸ The Mineralogy of the Elements
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Angie C. Merchant: 19th-Century Mineral Collector, and the Sodalite Locality of Litchfield, MainePeter Cristofono - Yesterday
The mindat.org LogoJolyon Ralph - 2nd Oct 2025
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26th Sep - The ArkenstoneNew RARE Species Update!
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