Fluornatromicrolite R130021

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Record 13 of 27  

Name: Fluornatromicrolite
RRUFF ID: R130021
Ideal Chemistry: (Na1.5Bi0.5)Ta2O6F
Locality: Fisher’s Ledge, Topsham, Maine, USA.
Source: Royal Ontario Museum M47080 [view label]
Owner: RRUFF
Description: Transparent green octahedra on albite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Groups: [ pyrochlore (27) ] [ microlite (15) ]
Quick search: [ All Fluornatromicrolite samples (2) ]
CHEMISTRY 
RRUFF ID: R130021.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na1.01Ca0.94Bi0.02Mn0.01)Σ=1.99(Ta1.96Nb0.02Sb0.01Sn0.01)Σ=2O6[F0.85(OH)0.11]Σ=0.96
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: R130021
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 50% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R130021
Cell Refinement Output: a: 10.470(2)Å    b: 10.470(2)Å    c: 10.470(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1147.8(1)Å3    Crystal System: cubic
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Calculated diffraction file.

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

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REFERENCES for Fluornatromicrolite

American Mineralogist Crystal Structure Database Record: [view record]

Palache C, Gonyer F A (1940) Microlite and stibiotantalite from Topsham, Maine, American Mineralogist, 25, 411-417   [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]

Andrade M B, Atencio D, Menezes Filho L A D, Ellena J (2011) The crystal structure of a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Redondo mine, Coronel Murta, Minas Gerias, Brazil, The Canadian Mineralogist, 49, 615-621   [view file]

Witzke T, Steins M, Doering T, Schuckmann W, Wegner R, Pöllmann H (2011) Fluornatromicrolite, (Na,Ca,Bi)2Ta2O6F, a new mineral species from Quixaba, Paraíba, Brazil, The Canadian Mineralogist, 49, 1105-1110   [view file]

Tait K T, Belakovskiy D, Welch M D, Gatta G D, Cámara F (2012) New mineral names, American Mineralogist, 97, 1260-1265   [view file]