Ca-Mg-Fe-rich rhodonite from the Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil.(Report)

From: The Mineralogical Record | Date: March 1, 2008| Author: | Copyright information

Large and superb crystals of translucent to gemmy, brilliant red rhodonite found in a manganese mine near Conselheiro Lafaiete, Brazil have been reaching the mineral market in recent years. The crystals have been analyzed and proved to be significantly enriched in calcium, magnesium and iron.

INTRODUCTION

The city of Conselheiro Lafaiete (20[degrees]40'S, 43[degrees]8'W) is located about 100 km south of Belo Horizonte in the interior of Minas Gerais, Brazil. It lies in the southern section of the Quadrilatero Ferrifero ("Iron Quadrangle"), a 7000 [km.sup.2] section of ...

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