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RM3153   Goethite, pyrolusite and romanechite

Aesthetic specimen that combines an upper part formd by goethite botryoidal aggregates, with a semi-matt luster, and a lower part with stalactitic growths of manganese oxides. They are accompanied by hematite of intense red color and baryte. A very interesting specimen from "la Sierra de la Unión".

Size: 7.3 x 7 x 4.2 cm.
Excol. Juan M. Casanova
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