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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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