Hollandite R060852

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Record 1 of 2  

Name: Hollandite
RRUFF ID: R060852
Ideal Chemistry: Ba(Mn4+6Mn3+2)O16
Locality: Ultevis, Sorharas, Sweden
Source: Michael Scott S100921 [view label]
Owner: RRUFF
Description: Black semi-metallic elongated prismatic crystals associated with purple fluorite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Coronadite (13) ]
Quick search: [ All Hollandite samples (2) ]
RRUFF ID: R060852.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ba0.71Pb0.12Na0.11Sr0.04K0.02)Σ=1(Mn4+5.85Fe3+1.23Mn3+0.58Ti0.28Al0.06)Σ=8O16 ; trace amounts of Ca; Mn4+ and Mn3+ splitted by charge balance
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample.

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RRUFF ID: R060852
Sample Description: Unoriented sample.
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060852.1
Sample Description: Powder
Cell Refinement Output: a: 9.981(1)Å    b: 2.8736(3)Å    c: 9.750(4)Å
alpha: 90°    beta: 90.82(2)°    gamma: 90°   Volume: 279.6(1)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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

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REFERENCES for Hollandite

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]

Fermor L L (1906) Manganese in India, Transactions of the Mining and Geological Institute of India, 1, 69-131   [view file]

Frondel C, Heinrich E W (1942) New data on hetaerolite, hydrohetaerolite, coronadite, and hollandite, American Mineralogist, 27, 48-56   [view file]

Fleischer M (1943) New mineral names, American Mineralogist, 28, 615-615   [view file]

Pavich M J, Markewich H W, Dwornik E J (1980) Hollandite and lithiophorite in burrows of Late Cretaceous age, northeastern South Carolina, The Canadian Mineralogist, 18, 529-533   [view file]

Post J E, Von Dreele R B, Buseck P R (1982) Symmetry and cation displacements in hollandites: structure refinements of hollandite, cryptomelane and priderite, Acta Crystallographica, B38, 1056-1065

Miura H (1986) The crystal structure of hollandite, Mineralogical Journal, 13, 119-129   [view file]

McCammon C, Mitchell R H, Chakhmouradian A R (1999) Mössbauer spectra of priderite and synthetic iron-bearing hollandite, The Canadian Mineralogist, 37, 991-995   [view file]

Michiue Y, Sato A, Watanabe M (1999) Low-temperature phase of sodium priderite, NaxCrxTi8-xO16, with a monoclinic hollandite structure, Journal of Solid State Chemistry, 145, 182-185

Plaisier J R, Vliet A A C, Ijdo D J W (2001) Synthesis, structure and magnetic properties of a new hollandite: Sr0.75Rh4O8, Journal of Alloys and Compounds, 314, 56-61

Liu L, El Gorsey A (2007) High-pressure phase transitions of the feldspars, and further characterization of lingunite, International Geology Review, 49, 854-860

Michiue Y (2007) Probability density analyses of guest ions in hollandite AxMgx/2Ti8-x/2O16 (A = K, Rb), Acta Crystallographica, B63, 577-583

Williams P A, Hatert F, Pasero M, Mills S J (2012) IMA Commission on New Minerals, Nomenclature and classification (CNMNC) Newsletter 13, New minerals and nomenclature modifications approved in 2012, Mineralogical Magazine, 76, 807-817   [view file]

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

Post J E, McKeown D A, Heaney, P J (2020) Raman spectroscopy study of manganese oxides: Tunnel structures, American Mineralogist, 105, 1175-1190   [view file]

Post J E, Heaney P J, Fischer T B, Ilton E S (2022) Manjiroite or hydrous hollandite?, American Mineralogist, 107, 564-571