Abstract
The Karabacek Collection of the Harvard Mineralogical Museum contains some excellent specimens of crystallized braunite (3Mn2O3-MnSiO3) from Nagpur, India, which seem to merit a description both because of their quality and their unusual habit. Fermor (1909) has previously given an incomplete crystallographic description of braunite from this locality in his work on the manganese deposits of India.
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