Important Update News
The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.
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Name: Mannardite RRUFF ID: R080136 Ideal Chemistry: Ba(Ti6V3+2)O16 Locality: Corinto area, Minas Gerais, Brazil Source: Luiz Menezes [view label] Owner: RRUFF Description: Black prismatic inclusion in quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
| Mineral Group: [ Coronadite (13) ] | ||
| Quick search: [ All Mannardite samples (2) ] | ||
| CHEMISTRY | ||||||||||
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| RAMAN SPECTRUM | ||||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| RRUFF ID: | R080136 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: |
a: 10.168(4)Å b: 10.168(4)Å c: 2.956(1)Å alpha: 90° beta: 90° gamma: 90° Volume: 305.7(2)Å3 Crystal System: tetragonal |
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| REFERENCES for Mannardite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
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Scott J D, Peatfield G R (1986) Mannardite [Ba·H2O](Ti6V3+2)O16, a new mineral species, and new data on redledgeite, The Canadian Mineralogist, 24, 55-66 [view file] |
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Szymanski J T (1986) The crystal structure of mannardite, a new hydrated cryptomelane-group (hollandite) mineral with a doubled short axis, The Canadian Mineralogist, 24, 67-78 [view file] |
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Hawthorne F C, Burke E A J, Ercit T S, Grew E S, Grice J D, Jambor J L, Puziewicz J, Roberts A C, Vanko D A (1988) New mineral names, American Mineralogist, 73, 189-199 [view file] |
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Biagioni C, Capalbo C, Pasero M (2013) Nomenclature tunings in the hollandite supergroup, European Journal of Mineralogy, 25, 85-90 [view file] |
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