Molecular structure of halotrichite using selected spectroscopic methods
2011
Udayabashakar Reddy, G. | Ramasubba Reddy, R. | Nakamura, Yoshinobu | Lakshmi Reddy, S. | Endo, Tamio | Frost, Ray L.
A holotrichite mineral sample from Corral Hollow California, USA is used in the present study. It is evident from the chemical analysis that the mineral contains FeO=6.8, Al₂O₃=12.0, SO₃=37.1 and H₂O=43.8wt.%. An EPR study on powdered sample confirms the presence of manganese and iron. The optical absorption spectrum also reveals the presence of iron and manganese impurities in distorted octahedral environment. NIR results confirm the presence of water fundamentals.
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