Journal of Mineralogical and Petrological Sciences
Online ISSN : 1349-3825
Print ISSN : 1345-6296
ISSN-L : 1345-6296
LETTERS
The structure of hydrated copper-silicate gels, an analogue compound for natural chrysocolla
Tsuyoshi HARIUHiroshi ARIMAKazumasa SUGIYAMA
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2013 Volume 108 Issue 2 Pages 111-115

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Abstract

Copper silicate hydrates have been prepared by sol-gel method using stock solutions with different Cu/Si molar ratios. The synthetic gels were characterized by means of ICP-AES, TG-DTA, XRD, and EXAFS. Copper silicate hydrate gel having the chrysocolla-like structure was successfully formed in the gel samples prepared from every solution with different Cu/Si molar ratios. The local structure of chrysocolla is readily realized in the copper silicate gels regardless of the Cu/Si mol ratio involved.

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© 2013 Japan Association of Mineralogical Sciences
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