Nioboaeschynite-(Ce) (original) (raw)

A valid IMA mineral species

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About Nioboaeschynite-(Ce)Hide

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Formula:

(Ce,Ca)(Nb,Ti)2(O,OH)6

Specific Gravity:

4.97 - 5.13

Crystal System:

Orthorhombic

Name:

For the relation to aeschynite-(Ce).

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:2908:3

5b58f432-e0a4-45a0-9535-b842a7f7f28c

IMA Classification of Nioboaeschynite-(Ce)Hide

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Classification of Nioboaeschynite-(Ce)Hide

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4.DF.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
F : With large (+- medium-sized) cations; dimers and trimers of edgesharing octahedra

8.3.6.2

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6

18.2.16

18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol Source Reference
Naes-Ce IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of Nioboaeschynite-(Ce)Hide

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Transparency:

Translucent, Opaque

Hardness:

VHN100=593 - 683 - Vickers

Density:

4.97 - 5.13 g/cm3 (Measured) 5.16 g/cm3 (Calculated)

Optical Data of Nioboaeschynite-(Ce)Hide

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RI values:

_n_α = 2.270 - 2.280 _n_β = 2.320 - 2.380 _n_γ = 2.360 - 2.500

δ = 0.090 - 0.220

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Comments:

X = red, reddish brown, yellowish brown; Y = reddish brown to brown; Z = reddish brown to dark brown.

Comments:

Isotropic when metamict.
n = 2.26 when metamict.

Chemistry of Nioboaeschynite-(Ce)Hide

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Mindat Formula:

(Ce,Ca)(Nb,Ti)2(O,OH)6

Crystallography of Nioboaeschynite-(Ce)Hide

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Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

Cell Parameters:

a = 7.68(18) Å, b = 11.03(6) Å, c = 5.35(3) Å

Ratio:

a:b:c = 0.696 : 1 : 0.485

Unit Cell V:

453.20 ų (Calculated from Unit Cell)

Morphology:

prismatic crystals, may be tabular, striated; as grains

Comment:

Space Group: Pmnb; commonly metamict.

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0019173 Nioboaeschynite-(Ce) Morrison S M, Downs R T, Domanik K J, Yang H, Doell D (2012) Nioboaeschynite-(Ce), Ce(NbTi)O6 Acta Crystallographica E68 i64-i65 2012 Upper Fir carbonatite, Kamloops mining division, British Columbia, Canada 0 293
0012439 Nioboaeschynite-(Ce) Aleksandrov V B (1962) The crystal structure of aeschynite Doklady Akademii Nauk SSSR 142 181-184 1962 Vishnevye Mts, Chelyabinsk Oblast, Southern Urals, Russia 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
2.983 Å (10)
3.048 Å (7)
3.132 Å (4)
5.539 Å (2)
3.445 Å (2)
2.827 Å (2)
2.699 Å (2)

Comments:

commonly amorphous

Geological EnvironmentHide

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Type Occurrence of Nioboaeschynite-(Ce)Hide

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Place of Conservation of Type Material:

A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, vis6310.

Associated Minerals at Type Locality:

Synonyms of Nioboaeschynite-(Ce)Hide

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Other Language Names for Nioboaeschynite-(Ce)Hide

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Relationship of Nioboaeschynite-(Ce) to other SpeciesHide

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Other Members of this group:

Aeschynite-(Ce) (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a
Aeschynite-(Nd) (Nd,Ln,Ca)(Ti,Nb)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m )
Aeschynite-(Y) (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a
Nioboaeschynite-(Nd) (Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6 Orth.
Nioboaeschynite-(Y) (Y,REE,Ca,Th,Fe)(Nb,Ti,Ta)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a n
Rynersonite CaTa2O6 Orth. m m m _(_2/_m_2/_m_2/m )
Tantalaeschynite-(Y) Y(Ta,Ti,Nb)2O6 Orth. m m m _(_2/_m_2/_m_2/m )
UM2001-09-O:CaNbREESiTiY (Ca,Y,REE)(Ti,Nb,Si)2(O,OH)6
Vigezzite (Ca,Ce)(Nb,Ta,Ti)2O6 Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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4.DF.05 Aeschynite-(Ce) (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a
4.DF.05 Aeschynite-(Nd) (Nd,Ln,Ca)(Ti,Nb)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m )
4.DF.05 Aeschynite-(Y) (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a
4.DF.05 Nioboaeschynite-(Nd) (Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6 Orth.
4.DF.05 Nioboaeschynite-(Y) (Y,REE,Ca,Th,Fe)(Nb,Ti,Ta)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a n
4.DF.05 Rynersonite CaTa2O6 Orth. m m m _(_2/_m_2/_m_2/m )
4.DF.05 Tantalaeschynite-(Y) Y(Ta,Ti,Nb)2O6 Orth. m m m _(_2/_m_2/_m_2/m )
4.DF.05 Vigezzite (Ca,Ce)(Nb,Ta,Ti)2O6 Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
4.DF.10 Changbaiite PbNb2O6 Trig. 3_m_ : R_3_m
4.DF.15 Murataite-(Y) (Y,Na)6Zn(Zn,Fe3+)4(Ti,Nb,Na)12O29(O,F,OH)10F4 Iso. m_3_m _(_4/_m_32/m ) : F m_3_m

Other InformationHide

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Health Risks:

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

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References for Nioboaeschynite-(Ce)Hide

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Reference List:

Morrison, Shaunna M., Downs, Robert T., Domanik, Kenneth J., Yang, Hexiong, Doell, Donald (2012) Nioboaeschynite-(Ce), Ce(NbTi)O6. Acta Crystallographica Section E Structure Reports Online, 68 (8) 64-65 doi:10.1107/s1600536812031765

Localities for Nioboaeschynite-(Ce)Hide

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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

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Canada
British Columbia Golden Mining Division ⓘ KIN property Caudle +1 other reference
Kamloops Mining Division ⓘ Upper Fir carbonatite Morrison et al. (2012)
China
Hubei Shiyan Zhushan Co. ⓘ Miaoya carbonatite Li (1982) +3 other references
Inner Mongolia Baotou City (Baotou Prefecture) Bayan Obo mining district Bayan Obo ⓘ Bayan Obo deposit Zhang Peishan et al. (1996) +1 other reference
Czech Republic
Vysočina Region Třebíč District ⓘ Kožichovice Pauliš P. et al. (Kutna Hora, issue 1)
Finland
North Savo Siilinjärvi ⓘ Siilinjärvi Mine Al Ani (2013)
France
Nouvelle-Aquitaine Pyrénées-Atlantiques Oloron-Sainte-Marie Aramits Ance ⓘ Col d'Etche MONCHOUX P. et al. (2006)
ⓘ Col d'Urdach MONCHOUX P. et al. (2006)
Germany
Rhineland-Palatinate Mayen-Koblenz Mendig Mendig ⓘ In den Dellen quarries Blaß et al. (2003) +1 other reference
ⓘ Thelenberg Blaß et al. (2003)
Wingertsberg ⓘ Pumice quarries Blaß et al. (2003)
Pellenz Kruft ⓘ Krufter Ofen Blaß et al. (2003)
North Korea
Russia
Chelyabinsk Oblast Miass ⓘ Pit No. 97 Pavel M. Kartashov analytical data (2011)
ⓘ Vishnevye Mountains (TL) Fleischer's Glossary of Mineral Species ... +1 other reference
ⓘ Buldym Lake Nedosekova (2007)
ⓘ Karavai Mt webmineral.ru (2016)
Irkutsk Oblast Vitim Plateau Biraya and Bya Rivers confluence area (Chara Basin) ⓘ Biraya Fe-REE ore occurrence Koneva A.A. et al. (2010)
ⓘ Ust'-Biraya Mills et al. (2012)
Republic of Karelia Loukhsky District ⓘ Elet'ozerskii massif Sorokhtina et al. (2018)
South Korea
North Chungcheong Province Chungju City Joongwon-gun Mt. Eorae ⓘ Chungju deposit Pavel.M. Kartashov (n.d.)
USA
New Hampshire Carroll County Ossipee ⓘ Bald Mountain ? Janules (2004)