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Click Here for Larger Cryptomelane Image in a New Browser Window Images: ... Comments: Black, rounded balls of cryptomelane and purple, transparent adamite. ...
webmineral.com/data/Cryptomelane.shtml - 42k - Similar pages
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Cryptomelane mineral data, information about Cryptomelane, its properties and worldwide locations.
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References: (1) Richmond, W.E. and M. Fleischer (1942) Cryptomelane, a new name for ... structure refinements of hollandite, cryptomelane, and priderite. ...
www.handbookofmineralogy.org/pdfs/CRYPTOMELANE.pdf - Similar pages
http://www.handbookofmineralogy.org/pdfs/CRYPTOMELANE.pdf
A photo of the mineral cryptomelane. Class: Oxide/Hydroxides. Chemistry: KMn8O16 potassium manganese oxide. Color(s): steel gray to bluish black, ...
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Jan 11, 2001 ... Cryptomelane, a potassium manganese oxide mineral, was first described from Sterling Hill by Frondel (1953) and has been subsequently ...
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to be cryptomelane. Fleischer and Richmond report the presence of ... The cryptomelane was composed of a matrix of small crystals up to ...
www.minsocam.org/ammin/AM35/AM35_99.pdf - Similar pages
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Cryptomelane, a one-dimensional tunnel manganese oxide, is a good microwave absorber due to the effective coupling of MnO2 with microwave irradiation. ...
pubs.acs.org/cgi-bin/jtext?cmatex/11/i05/abs/cm981092i - Similar pages
http://pubs.acs.org/cgi-bin/jtext?cmatex/11/i05/abs/cm981092i
The cryptomelane-type oxides (KMn8O16) are tunnel structured compounds based on MnO6 octahedra forming channels of different sizes depending on the ...
linkinghub.elsevier.com/retrieve/pii/S1044580306003263 - Similar pages
http://linkinghub.elsevier.com/retrieve/pii/S1044580306003263
cryptomelane ( ¦kriptōmə′lān ) ( mineralogy ) KMn 8 O 16 H 2 OA usually massive mineral, common in manganese ores; contains an oxide of.
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Three cross-linking reagents (PVA, glycerol and glucose) have successfully been used to synthesize non-doped and metal-doped nanosized cryptomelane ...
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