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MANGANESE 1 EPOSlf S OP INDIA. 
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Chapter v.— Silicates— Pyroxenes and Amphiboles. 
Manganese-bearing pyroxenes. .... 125 
Blanfordite 125 
The Kacharwahi occurrence .... 125 
Original account ...... 125 
Crystallographic characters .... 126 
The Ramdongri occurrence .... 127 
The Kajlidongri occurrence .... 127 
The Narukot occurrence ..... 128 
Manganhedenbergite ...... 130 
Occurrence and characters .... 131 
Chemical composition ..... 131 
Brown and yellow pyroxenes ..... 132 
Occurrence ....... 132 
Composition ....... 133 
Schefferite and uibanite ..... 133 
Pyroxenes of the Vizagapatam district . . . 137 
Brown pyroxene ...... 137 
Green pyroxene ...... 137 
Brownish green pyroxene .... 137 
Colourless pyroxenes ...... 138 
Jeffersonite ........ 138 
Rhodonite 139 
Characters .... ... 139 
Microscopic aspect ...... 139 
Identification . . . . . .140 
Occurrence . . . . . . ., 140 
Alteration ....... 143 
Use as an ornamental stone .... 144 
Manganese-amphiboles ...... 145 
Foreign manganiferous amphiboles . . . 145 
Dannemorite ...... 146 
Richterit© ...... 146 
Yellow and greenish-grey amphiboles (Danne- 
morite) ....... 147 
Central Provinces ...... 147 
Kajlidongri ....... 149 
Winchite 149 
Occurrence ....... 149 
Crystallographic characters .... 150 
Pleocbroism ....... 152 
