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Scanning electron microscopic studies on different habits of gel grown doped manganese carbonate crystals
Authors:W Franke  M A Ittyachen  K Mohanan Pillai
Institution:(1) Department of Physics, University of Kerala, 695 581 Kariavattom, Trivandrum;(2) Institute for Mineralogie, Freie Universitaet Berlin, Takustr. 6, 1000 Berlin 33, West Germany
Abstract:The effect of impurities on the growth of manganese carbonate crystals has been studied. Stereophotogrammetric analysis showed that all crystal faces have the same Miller indices 
$$\left\{ {10\bar 11} \right\}$$
and the peanut-shaped forms are twins with twin axis 0001.
Keywords:Manganese carbonate  habit modification  twinning  stereophotogrammetric analysis
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