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Mannardite

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About MannarditeHide

Formula:
Ba(Ti4+6V3+2)O16
Formerly defined as BaxTi8-2xV2xO16·2-xH2O.
Hardness:
7
Specific Gravity:
4.12
Crystal System:
Tetragonal
Name:
The name honors Dr. George William Mannard (1932-1982), Canadian exploration geologist and mining executive, president of Kidd Creek Mines Ltd., for his long-standing interest in minerals and mineral deposits of British Columbia.
V analogue of redledgeite.


Classification of MannarditeHide

Approved
Approval Year:
1983
4.DK.05b

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
K : With large (+- medium-sized) cations; tunnel structures
7.9.5.1

7 : MULTIPLE OXIDES
9 : AB8X16
7.12.17

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta

Physical Properties of MannarditeHide

Hardness:
Density:
4.12 g/cm3 (Measured)    4.28 g/cm3 (Calculated)
Comment:
Density of a Cr-free mannardite from Gacun Mine, Sichuan, China is 4.43 g/cm3; microindentation hardness measured on a sample coming from this locality is 609 Kg/mm2.

Chemical Properties of MannarditeHide

Formula:
Ba(Ti4+6V3+2)O16

Formerly defined as BaxTi8-2xV2xO16·2-xH2O.
IMA Formula:
Ba(Ti6V3+2)O16

Crystallography of MannarditeHide

Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
I41/a
Cell Parameters:
a = 14.356 Å, c = 5.911 Å
Ratio:
a:c = 1 : 0.412
Unit Cell V:
1,218.23 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.201 Å(100) 420
1.586 Å(80) 732
2.473 Å(70) 312
1.887 Å(70) 352
2.224 Å(50) 332

Type Occurrence of MannarditeHide

Geological Setting of Type Material:
Geological setting is represented by quartz veins embedded in the Gunsteel Fm., a paleozoic formation rich in baryte. Mannardite was found in three different kind of veins: type A, in association with barytocalcite and norsethite; type B, in which almost barytocalcite has been altered to baryte, in association with rare norsethite and sulvanite; type C, only with quartz and barytocalcite.

Synonyms of MannarditeHide

Other Language Names for MannarditeHide

German:Mannardit
Simplified Chinese:曼纳德石
Spanish:Mannardita

Varieties of MannarditeHide

AnkangiteDiscredited in 2012 IMA 11-F (H2O-free variety of mannardite).

Relationship of Mannardite to other SpeciesHide

Other Members of this group:
HenrymeyeriteBa(Ti4+7Fe2+)O16Tet. 4/m : I4/m
PrideriteK(Ti4+7Fe3+)O16Tet.
RedledgeiteBa(Ti4+6Cr3+2)O16Tet.
UM1994-09-O:CrKTiK2Cr2Ti6O16

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Mannardite associated with BaryteBaSO4
2 photos of Mannardite associated with QuartzSiO2

Related Minerals - Nickel-Strunz GroupingHide

4.DK.FerrihollanditeBa(Mn4+6Fe3+2)O16Mon. 2/m
4.DK.4.DK.FerricoronaditePb(Mn4+6Fe3+2)O16Tet. 4/m : I4/m
4.DK.05Akaganeite(Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2OMon. 2/m
4.DK.05aCoronaditePb(Mn4+6Mn3+2)O16Mon. 2/m
4.DK.05aCryptomelaneK(Mn4+7Mn3+)O16Mon. 2/m
4.DK.05aHollanditeBa(Mn4+6Mn3+2)O16Mon. 2/m
4.DK.05aManjiroiteNa(Mn4+7Mn3+)O16Tet. 4/m : I4/m
4.DK.05bPrideriteK(Ti4+7Fe3+)O16Tet.
4.DK.05bRedledgeiteBa(Ti4+6Cr3+2)O16Tet.
4.DK.05bHenrymeyeriteBa(Ti4+7Fe2+)O16Tet. 4/m : I4/m
4.DK.05aStrontiomelaneSr(Mn4+6Mn3+2)O16Mon. 2/m : P21/b
4.DK.10Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10Mon. 2/m
4.DK.10Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2OMon. 2/m : P2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

7.9.5.2RedledgeiteBa(Ti4+6Cr3+2)O16Tet.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.12.1Montroseite(V3+,Fe3+)O(OH)Orth.
7.12.2 ScherbinaiteV5+2O5
7.12.3ParamontroseiteV4+O2Orth.
7.12.4HäggiteV3+V4+O2(OH)3Mon.
7.12.5DuttoniteV4+O(OH)2Mon. 2/m
7.12.6DoloresiteV4+3O4(OH)4Mon. 2/m
7.12.7LenobliteV4+2O4 · 2H2OOrth. 2 2 2 : P21 21 21
7.12.8NavajoiteFe3+V5+9O24 · 12H2OMon. 2/m : B2/m
7.12.9VanoxiteV4+4V5+2O13 · 8H2O
7.12.10BarianditeAl0.6(V5+,V4+)8O20 · 9H2OMon.
7.12.11Corvusite(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2OMon.
7.12.12SimplotiteCaV4+4O9 · 5H2OMon.
7.12.13KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b
7.12.14SchreyeriteV3+2Ti3O9Mon.
7.12.15BerdesinskiiteV3+2TiO5Mon.
7.12.16TivaniteV3+TiO3(OH)Mon.
7.12.18KarelianiteV3+2O3Trig.
7.12.19CoulsoniteFe2+V3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.12.20NolaniteV3+8Fe3+2O14(OH)2Hex.
7.12.21VuorelaineniteMn2+V3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.12.22TantiteTa2O5Tric.
7.12.23Kimrobinsonite(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2Iso.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for MannarditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Scott, J.D. & Peatfield, G.R. (1986): Mannardite [Ba.H2O](Ti6V3+2)O16, a new mineral species, and new data on redledgeite. Canadian Mineralogist, 24, 55-66.
Szymański, J.T. (1986): The crystal structure of mannardite, a new hydrated cryptomelane-group (hollandite) mineral with a doubled short axis. Canadian Mineralogist, 24, 67-78.

Internet Links for MannarditeHide

Localities for MannarditeHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Brazil
 
  • Minas Gerais
[var: Ankangite] Dr Jaroslav Hyrsl specimen, 2-2012,
[var: Ankangite] Tony Nikischer specimen and analysis; Jaroslav Hyrsl specimens
Canada (TL)
 
  • British Columbia
    • Liard Mining Division
      • Sifton Pass
        • Kechika River
SCOTT, J.D. & PEATFIELD, G.R. (1986): Mannardite [Ba$H2O](Ti6V3+2)O16, a new mineral species, and new data on redledgeite. Canadian Mineralogist 24, 55-66. SZYMAŃSKI, J.T. (1986): The crystal structure of mannardite, a new hydrated cryptomelane-group (hollandite) mineral with a doubled short axis. Canadian Mineralogist 24, 67-78.
  • New Brunswick
    • Gloucester Co.
      • Bathurst Parish
        • Bathurst Mining Camp
Scott, J. D., & Peatfield, G. R. (1986). Mannardite [Ba.H2O](Ti6V3+2)O16, a new mineral species, and new data on redledgeite. Canadian Mineralogist, 24, 55-66.
China
 
  • Shaanxi
    • Ankang
      • Hanbin District
[var: Ankangite] Am Min 76 (1991), 2020
  • Sichuan
    • Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture)
      • Baiyu Co.
        • Maqiong
Fengyi Chen, Shiying Li, Zhikai Tang, Jixue Li, Yaozong Zhou, and Shuihe Mao (1984): Acta Petrologica, Mineralogica et Analytica 3(4), 337-339; Scott, J.D., and Peatfield, G.R. (1986): Canadian Mineralogist 24, 55-66; Qingmin Jin, Huaguang Xie, and Wenguang Wang (1992): Volcanology and Mineral Resources 13(2), 48-58
Italy
 
  • Tuscany
    • Lucca Province
      • Stazzema
        • Sant'Anna di Stazzema
[var: Ankangite] Biagioni, C., Orlandi, P., & Pasero, M. (2008). Ankangite from Monte Arsiccio mine. (Apuan Alps, Tuscany): third world occurrence. Plinius, 34, 212; Biagioni, C., Orlandi, P., & Pasero, M. (2009). Ankangite from the Monte Arsiccio mine (Apuan Alps, Tuscany, Italy): occurrence, crystal structure, and classification problems in cryptomelane group minerals. Periodico di Mineralogia, 78, 3-11.
Kazakhstan
 
  • Kyzylorda Region
    • Shieli
Karpenko, V. Y., Pautov, L. A., Agakhanov, A. A., & Bekenova, G. K. (2011). Mannardite from vanadium-bearing schists of Kazakhstan and Central Asia. New Data on Minerals, 46, 25-33.
  • Turkistan Region
    • Aksumbe
Karpenko, V. Y., Pautov, L. A., Agakhanov, A. A., & Bekenova, G. K. (2011). Mannardite from vanadium-bearing schists of Kazakhstan and Central Asia. New Data on Minerals, 46, 25-33.
    • Sozak
      • Budenovskoye Uranium ore field
Karpenko, V. Y., Pautov, L. A., Agakhanov, A. A., & Bekenova, G. K. (2011). Mannardite from vanadium-bearing schists of Kazakhstan and Central Asia. New Data on Minerals, 46, 25-33.
Kyrgyzstan
 
  • Batken Region
Karpenko, V. Y., Pautov, L. A., Agakhanov, A. A., & Bekenova, G. K. (2011). Mannardite from vanadium-bearing schists of Kazakhstan and Central Asia. New Data on Minerals, 46, 25-33.
Karpenko, V. Y., Pautov, L. A., Agakhanov, A. A., & Bekenova, G. K. (2011). Mannardite from vanadium-bearing schists of Kazakhstan and Central Asia. New Data on Minerals, 46, 25-33.
Russia
 
  • Irkutsk Oblast
    • Lake Baikal area
      • Slyudyanka (Sludyanka)
[var: Ankangite] Proceedings of the Russian Mineralogical Society 136(5), 65-75.; Reznitsky, L. Z., Sklyarov, E. V., Armbruster, T., Galuskin, E. V., Ushchapovskaya, Z. F., Polekhovsky, Y. S., ... & Barash, I. G. (2008). Batisivite, V8Ti6 [Ba (Si2O)] O28, a new mineral species from the derbylite group. Geology of Ore Deposits, 50(7), 565-573.
  • Khakassia
    • Askizsky Rayon
      • Askiz ore district
Kassandrov, E. G., & Mazurov, M. P. (2009). Magmatogenic manganese ores of the South Minusa Intermontane Trough. Geology of Ore Deposits, 51(5), 356.
Kassandrov, E. G., & Mazurov, M. P. (2009). Magmatogenic manganese ores of the South Minusa Intermontane Trough. Geology of Ore Deposits, 51(5), 356.
  • Murmansk Oblast
    • Khibiny Massif
[var: Ankangite] Menshikov, Y. P., Mikhailova, Y. A., Pakhomovsky, Y. A., Yakovenchuk, V. N., & Ivanyuk, G. Y. (2015). Minerals of zirconolite group from fenitized xenoliths in nepheline syenites of Khibiny and Lovozero plutons, Kola Peninsula. Geology of Ore Deposits, 57(7), 591-599.
[var: Ankangite]
South Africa
 
  • Free State
    • Lejweleputswa District
      • Theunissen
        • Theunissen kimberlite field
Cairncross, B. and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa. Roger H. Mitchell and Henry O. A. Meyer (1989) Niobian K-Ba-V Titanates from Micaceous Kimberlite, Star Mine, Orange Free State, South Africa. Mineralogical Magazine 53:451-456
 
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