Revista de la Asociaci��n Geol��gica Argentina's Image Gallery

For more than thirty (30) years, Excalibur Mineral Corp. has been providing private collectors, researchers, major universities and museums throughout the world with reliably identified, rare and unusual mineral samples for science an

Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.

McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs

Adamsminerals.com- Online mineral store front for mineral collectors

Images from Revista de la Asociaci��n Geol��gica Argentina

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