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Spiroffite Group

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About Spiroffite GroupHide

Formula:
M2Te4+3O8
A group of monoclinic Te(IV) oxides with the general formula given above, where M denotes a medium-sized divalent cation. The structure contains sheets of corner-sharing (M2O10) units, composed of two edge-sharing (MO6) octahedra, which are cross-linked into a framework by Te4+ cations. Similar motifs are found in the structures of denningite, where Te4+ cations are cross-linking chains of (MnO6) and (CaO8) polyhedra, and nissonite, which contains sheets of identical structure but different composition.

Numerous synthetic members of this group are known.


Chemical Properties of Spiroffite GroupHide

Formula:
M2Te4+3O8

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0005504SpiroffiteCooper M A, Hawthorne F C (1996) The crystal structure of spiroffite The Canadian Mineralogist 34 821-8261996Moctezuma, Sonora, Mexico0293
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Other Language Names for Spiroffite GroupHide

Simplified Chinese:碲锰锌石族
Traditional Chinese:碲錳鋅石族

Relationship of Spiroffite Group to other SpeciesHide

Group Members:
Spiroffite Mn2+2Te4+3O8Mon. 2/m : B2/b
Zincospiroffite Zn2Te4+3O8Mon. 2/m

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 Spiroffite GroupHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cooper, M.A., and Hawthorne, F.C. (1996): The crystal structure of spiroffite. Canadian Mineralogist 34, 821-826.
Feger, C.R., Schimek, G.L., and Kolis, J.W (1999): Hydrothermal Synthesis and Characterization of M2Te3O8 (M=Mn,Co,Ni,Cu,Zn): A Series of Compounds with the Spiroffite Structure. Journal of Solid State Chemistry 143(2), 246-253.

Internet Links for Spiroffite GroupHide

Localities for Spiroffite GroupHide

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.
China
 
  • Hebei
    • Zhangjiakou
      • Chongli District
        • Shuiquangou Complex
          • Dongping Au-Te ore field
[Zincospiroffite] Peihua Zhang, Jinchu Zhu, Zhenhua Zhao, Long Lu, and Di Liu (2002): Mineral Deposits 21(suppl.), 783-786; Wang, D., Liu, J., Zhai, D., Carranza, E. J., Wang, Y., Zhen, S., ... & Zhang, F. (2019). Mineral Paragenesis and Ore‐Forming Processes of the Dongping Gold Deposit, Hebei Province, China. Resource Geology, 69(3), 287-313.
[Zincospiroffite] Peihua Zhang, Jinchu Zhu, Zhenhua Zhao, Xiangping Gu, and Jinfu Lin (2004): Canadian Mineralogist 42, 763-768.
Japan
 
  • Shizuoka Prefecture
    • Shimoda City
      • Rendaiji
[Spiroffite] Sakurai & Kato (1965) Kobutsugaku Zasshi (Journal of the Mineralogical Society of Japan) 7, 348-350; Rocks & Min.: 62:167
Mexico
 
  • Sonora
    • Moctezuma Municipality
      • Moctezuma
[Spiroffite] Collected by Joe Ruiz and analyzed by XRD.
[Spiroffite] Mandarino, J.A. (1962) Spiroffite, a new tellurite mineral from Mexico. American Mineralogist, 47, 196-196.; Braith, H., Gröbner, J., Langer, G., and Seitz, M. (2001) Moctezumas geheime Schätze: Bambolla, Bambollita und San Miguel. Lapis: 26(1): 11-23.; Rewitzer, C. (2001) Bambollita, Bambolla, San Miguel und Candelaria: Untertagefunde und Typmineralien. Lapis: 26(1): 24-40.
USA
 
  • Arizona
    • Cochise County
[Spiroffite] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 379.
  • Nevada
    • Lincoln Co.
      • Delamar Mining District
[Spiroffite] Hayes, S. M., & Ramos, N. A. (2019) Surficial geochemistry and bioaccessibility of tellurium in semiarid mine tailings. Environmental Chemistry
  • New Mexico
    • Doña Ana Co.
      • Organ Mountains
        • Organ Mining District
[Zincospiroffite] Joy Desor, Analyst
  • Utah
    • Juab Co.
      • Tintic Mining District
        • Mammoth
          • Mammoth Peak
[Zincospiroffite] Collected by and in the collection of Brent Thorne. Raman and EDS analyzed by Bob Housley. XRD analyzed by Tony Kampf.
[Zincospiroffite] Collected by and in the collection of Brent Thorne. Raman and EDS analyzed by Bob Housley.
 
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