Pyrochlore R060165


Name: Pyrochlore
RRUFF ID: R060165
Ideal Chemistry: Ca2Nb2O7
Locality: Betafo, Madagascar
Source: Marcus Origlieri
Owner: RRUFF
Description: Red-brown octahedon superficially altered yellow, chemistry does not match any IMA approved mineral name.
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ pyrochlore (27) ]
Quick search: [ All Pyrochlore samples (5) ]
CHEMISTRY 
RRUFF ID: R060165.2
Sample Description: Microprobe Fragment
Measured Chemistry: (   1.02U4+0.95Ca0.03)Σ=2(Nb1.03Ti0.65Al0.13Ta0.10Fe3+0.06Th0.03)Σ=2(O5.80(OH)1.20)Σ=7
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: R060165
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060165.1
Sample Description: powder
  File Type Information Close
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 Pyrochlore

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]

Wöhler F (1826) Ueber den pyrochlor, eine neue mineralspecies, Annalen der Physik und Chemie, 7, 417-428   [view file]

Lima de Faria, J (1958) Heat treatment of metamict euxenites, polymignites, yttrotantalites, samarskites, pyrochlores, and allanites., Mineralogical Museum, section of the Junta de Investigações do Ultramar, 3R, 937-942

Hogarth D D (1961) A study of pyrochlore and betafite, The Canadian Mineralogist, 6, 610-633   [view file]

Fleischer M (1963) New mineral names, American Mineralogist, 48, 1413-1421   [view file]

Petruk W, Owens D R (1975) Electron microprobe analysis for pyrochlores from Oka, Quebec, The Canadian Mineralogist, 13, 282-285   [view file]

Hogarth D D (1977) Classification and nomenclature of the pyrochlore group, American Mineralogist, 62, 403-410   [view file]

Mazzi F, Munno R (1983) Calciobetafite (new mineral of the pyrochlore group) and related minerals from Campi Flegrei, Italy; crystal structures of polymignyte and zirkelite: comparison with pyrochlore and zirconolite, American Mineralogist, 68, 262-276   [view file]

Pinckston R D, Smith D G W (1994) Mineralogy of the Lake zone, Thor Lake rare-metals deposit, N.W.T., Canada, Canadian Journal of Earth Sciences, 32, 516-532

Levin I, Amos T G, Nino J C, Vanderah T A, Randall C A, Lanagan M T (2002) Structural study of an unusual cubic pyrochlore Bi1.5Zn0.92Nb1.5O6.92, Journal of Solid State Chemistry, 168, 69-75

Caprilli E, Della Ventura G, Williams T C, Parodi G C, Tuccimei P (2006) The crystal chemistry of non-metamict pyrochlore-group minerals from Latium, Italy, The Canadian Mineralogist, 44, 1367-1378   [view file]

Bonazzi P, Bindi L (2007) The crystal structure of ingersonite, Ca3Mn2+Sb5+4O14, and its relationships with pyrochlore, American Mineralogist, 92, 947-953   [view file]

Atencio D, Andrade M B, Christy A G, Gieré R, Kartashov P M (2010) The pyrochlore supergroup of minerals: nomenclature, The Canadian Mineralogist, 48, 673-698   [view file]

Christy A G, Atencio D (2013) Clarification of status of species in the pyrochlore supergroup, Mineralogical Magazine, 77, 13-20

Grey I E, Mumme W G, MacRae C M (2013) Lead-bearing phyllotungstite from the Clara mine, Germany with an ordered pyrochlore-hexagonal tungsten bronze intergrowth structure, Mineralogical Magazine, 77, 57-67

Mills S J, Christy A G, Rumsey M S, Spratt J (2016) The crystal chemistry of elsmoreite from the Hemerdon (Drakelands) mine, UK: hydrokenoelsmoreite-3C and hydrokenoelsmoreite-6R, Mineralogical Magazine, 80, 1195-1203

Pakhomova A S, Krivovichev S V, Yudintsev S V, Stefanovsky S V (2016) Polysomatism and structural complexity: structure and model for murataite-8C, a complex crystalline matrix for the immobilization of high-level radioactive waste, European Journal of Mineralogy, 28, 205-214