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Medina, Jequitinhonha valley, Minas Gerais, Brazil
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Medina, Jequitinhonha valley, Minas Gerais, Brazil

Photo: Mario Pauwels
Granite pegmatite. The rare mineral herderite has been verified by chemical analysis. The analysis by Luiz Menezes is 6.05-7.57 weight percent fluorine in very large greenish gray crystals to 8 cm.

Mineral List

Mineral list contains entries from the region specified including sub-localities
var: Aquamarine
var: Heliodor


19 entries listed. 9 valid minerals.

Localities in this Region


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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: December 21, 2014 17:18:44