Mannardite R080136
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 
RRUFF ID: R080136.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ba1.02(Ti4+5.97V3+1.82Cr3+0.20)O16
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R080136
Wavelength:
Sample Description: Unoriented Sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
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
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Mannardite

American Mineralogist Crystal Structure Database Record: [view record]

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]

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]

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]

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]

Biagioni C, Capalbo C, Pasero M (2013) Nomenclature tunings in the hollandite supergroup, European Journal of Mineralogy, 25, 85-90   [view file]