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Bastnäsite-(Y)

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Formula:
Y(CO3)F
Colour:
Translucent brick-red
Hardness:
4 - 4½
Crystal System:
Hexagonal
Name:
For the locality at the Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden, plus the "-(Y)" suffix due to the dominance of yttrium in the composition.
Yttrium analogue of Bastnäsite-(Ce) and Bastnäsite-(La).


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Classification of Bastnäsite-(Y)Hide

Approved
5.BD.20a

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
D : With rare earth elements (REE)
16a.1.1.3

16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)(XO3)Zq
12.1.10

12 : Carbonates with other anions
1 : Carbonates with halides

Physical Properties of Bastnäsite-(Y)Hide

Colour:
Translucent brick-red
Hardness:
4 - 4½ on Mohs scale

Optical Data of Bastnäsite-(Y)Hide

Type:
Uniaxial (+)
RI values:
nω = 1.717 nε = 1.818
Max Birefringence:
δ = 0.101
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High

Chemical Properties of Bastnäsite-(Y)Hide

Formula:
Y(CO3)F
IMA Formula:
YCO3F

Crystallography of Bastnäsite-(Y)Hide

Crystal System:
Hexagonal
Class (H-M):
6 m2 - Ditrigonal Dipyramidal
Space Group:
P62c
Cell Parameters:
a = 6.57(2) Å, c = 9.48(2) Å
Ratio:
a:c = 1 : 1.443
Unit Cell V:
354.38 ų (Calculated from Unit Cell)
Z:
6
Morphology:
Irregular tiny (to 4 micron) grains forming compact pseudomorphs after gagarinite-(Y).
Comment:
Space group by analogy to bastnäsite-(Ce).

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.43 (7.5)
2.78 (10)
1.976 (7.5)
1.948 (10)
1.822 (7.5)
1.608 (4)
1.260 (5)

Type Occurrence of Bastnäsite-(Y)Hide

Synonyms of Bastnäsite-(Y)Hide

Other Language Names for Bastnäsite-(Y)Hide

Simplified Chinese:氟碳钇矿
Traditional Chinese:氟碳釔礦

Relationship of Bastnäsite-(Y) to other SpeciesHide

Other Members of this group:
Bastnäsite-(Ce)Ce(CO3)FHex. 6 m2 : P6c2
Bastnäsite-(La)La(CO3)FHex.
Bastnäsite-(Nd)Nd(CO3)F Hex. 6 m2 : P62c
Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)Hex. 6 : P6
Hydroxylbastnäsite-(Nd)Nd(CO3)(OH)Hex.
ThorbastnäsiteThCa(CO3)2F2 · 3H2O

Common AssociatesHide

Associated Minerals Based on Photo Data:
Hydroxylbastnäsite-(Nd)2 photos of Bastnäsite-(Y) associated with Hydroxylbastnäsite-(Nd) on mindat.org.
Calcybeborosilite-(Y)2 photos of Bastnäsite-(Y) associated with Calcybeborosilite-(Y) on mindat.org.
Quartz1 photo of Bastnäsite-(Y) associated with Quartz on mindat.org.
Gasparite-(Ce)1 photo of Bastnäsite-(Y) associated with Gasparite-(Ce) on mindat.org.
Chernovite-(Y)1 photo of Bastnäsite-(Y) associated with Chernovite-(Y) on mindat.org.
Gagarinite-(Y)1 photo of Bastnäsite-(Y) associated with Gagarinite-(Y) on mindat.org.
Tengerite-(Y)1 photo of Bastnäsite-(Y) associated with Tengerite-(Y) on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.BD.05Cordylite-(Ce)NaBaCe2(CO3)4F Hex.
5.BD.05Lukechangite-(Ce)Na3Ce2(CO3)4FHex. 6mm : P63mc
5.BD.10Zhonghuacerite-(Ce)Ba2Ce(CO3)3FTrig.
5.BD.10Kukharenkoite-(Ce)Ba2Ce(CO3)3FMon. 2/m : P21/m
5.BD.10Kukharenkoite-(La)Ba2(La,Ce,Th)(CO3)3FMon. 2/m : P21/m
5.BD.15Cebaite-(Ce)Ba3Ce2(CO3)5F2
5.BD.15Cebaite-(Nd)Ba3(Nd,Ce)2(CO3)5F2Mon.
5.BD.18Arisite-(Ce)NaCe2(CO3)2[F2x(CO3)1-x]FHex. 6 m2 : P6m2
5.BD.18Arisite-(La)NaLa2(CO3)2[F2x(CO3)1-x]FHex. 6 m2 : P6m2
5.BD.20aBastnäsite-(Ce)Ce(CO3)FHex. 6 m2 : P6c2
5.BD.20aBastnäsite-(La)La(CO3)FHex.
5.BD.20aHydroxylbastnäsite-(Ce)Ce(CO3)(OH)Hex. 6 : P6
5.BD.20aHydroxylbastnäsite-(Nd)Nd(CO3)(OH)Hex.
5.BD.20aHydroxylbastnäsite-(La)(La,Nd,Ce)(CO3)(OH,F)Hex.
5.BD.20bParisite-(Ce)CaCe2(CO3)3F2Mon. m : Bb
5.BD.20bParisite-(Nd)Ca(Nd,Ce,La)2(CO3)3F2
5.BD.20dRöntgenite-(Ce)Ca2(Ce,La)3(CO3)5F3Trig. 3 : R3
5.BD.20cSynchysite-(Ce)CaCe(CO3)2FMon. 2/m : B2/b
5.BD.20cSynchysite-(Nd)CaNd(CO3)2F
5.BD.20cSynchysite-(Y)CaY(CO3)2FMon. 2/m : B2/b
5.BD.20aThorbastnäsiteThCa(CO3)2F2 · 3H2O
5.BD.20aBastnäsite-(Nd)Nd(CO3)F Hex. 6 m2 : P62c
5.BD.25Horváthite-(Y)NaY(CO3)F2Orth. mmm (2/m 2/m 2/m) : Pmmn
5.BD.25Qaqarssukite-(Ce)Ba(Ce,REE)(CO3)2FTrig. 3 : P3
5.BD.35Huanghoite-(Ce)BaCe(CO3)2FTrig. 3m (3 2/m) : R3m

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

16a.1.1.1Bastnäsite-(Ce)Ce(CO3)FHex. 6 m2 : P6c2
16a.1.1.2Bastnäsite-(La)La(CO3)FHex.
16a.1.1.4Bastnäsite-(Nd)Nd(CO3)F Hex. 6 m2 : P62c

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

12.1.1NorthupiteNa3Mg(CO3)2ClIso. m3 (2/m 3) : Fd3
12.1.2BarentsiteNa7Al(HCO3)2(CO3)2F4Tric.
12.1.3RouvilleiteNa3(Ca,Mn,Fe)2(CO3)3FMon. 2/m : B2/b
12.1.4ChlormagaluminiteMg4Al2(OH)12Cl2 · 3H2OHex.
12.1.5DeferniteCa6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x<0.5)Orth. mmm (2/m 2/m 2/m) : Pnma
12.1.6BrenkiteCa2(CO3)F2Orth.
12.1.7Stenonite(Sr,Ba,Na)2Al(CO3)F5Mon. 2/m
12.1.8Bastnäsite-(Ce)Ce(CO3)FHex. 6 m2 : P6c2
12.1.9Bastnäsite-(La)La(CO3)FHex.
12.1.11Parisite-(Ce)CaCe2(CO3)3F2Mon. m : Bb
12.1.12Parisite-(Nd)Ca(Nd,Ce,La)2(CO3)3F2
12.1.13Synchysite-(Ce)CaCe(CO3)2FMon. 2/m : B2/b
12.1.14Synchysite-(Y)CaY(CO3)2FMon. 2/m : B2/b
12.1.15Synchysite-(Nd)CaNd(CO3)2F
12.1.16Röntgenite-(Ce)Ca2(Ce,La)3(CO3)5F3Trig. 3 : R3
12.1.17Cordylite-(Ce)NaBaCe2(CO3)4F Hex.
12.1.19Huanghoite-(Ce)BaCe(CO3)2FTrig. 3m (3 2/m) : R3m
12.1.20Zhonghuacerite-(Ce)Ba2Ce(CO3)3FTrig.
12.1.21Cebaite-(Ce)Ba3Ce2(CO3)5F2
12.1.22ThorbastnäsiteThCa(CO3)2F2 · 3H2O
12.1.23PhosgenitePb2CO3Cl2Tet. 4/mmm (4/m 2/m 2/m) : P4/mbm
12.1.24BarstowitePb4Cl6(CO3) · H2OMon. 2/m : P21/m
12.1.25AlbrechtschraufiteCa4Mg(UO2)2(CO3)6F2 · 17-18H2OTric. 1 : P1
12.1.26KettneriteCaBiCO3OFOrth. mmm (2/m 2/m 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 Bastnäsite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 57: 594.
American Mineralogist: 78: 415-418 (Bastnäsite-(Ce) structure).

Internet Links for Bastnäsite-(Y)Hide

Localities for Bastnäsite-(Y)Hide

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
 
  • Inner Mongolia Autonomous Region
    • Baotou League (Baotou Prefecture)
      • Bayan Obo Mining District
        • Bayan Obo
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Finland
 
  • Western and Inner Finland Region
    • Valkeakoski
Pavel M. Kartashov analythical data (2014), Jyrki Autio specimen
Germany
 
  • Lower Saxony
    • Harz
      • Bad Grund
        • Wiemannsbucht
Haack, U., Schnorrer-Koehler, G. & Lueders, V. (1987): Seltenerd-Minerale aus hydrothermalen Gängen des Harzes. Chemie der Erde 47, 41-45 (in German).
Kazakhstan (TL)
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    • Tarbagatai Range
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
American Mineralogist (1972) 57, 594 ; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Kyrgyzstan
 
  • Talas Oblast
    • Ak-Tyuz ore Field
N. MALYUKOVA , (2014) Zoning of Polymetallic Rare-earth and Rare-metal Deposits in the Ak-Tyuz Ore Field (Northern Tien Shan, Kyrgyzstan). Acta Geologica Sinica (English Edition), 88(supp. 2): 451-453.
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
      • Belye Tundry Massif
Voloshin, A.V., Lyalina, L.M., Savchenko, Ye.E., Selivanova, E.A. [Волошин А.В., Лялина Л.М., Савченко Е.Э., Селиванова Е.А.] (2005): Intragranite rare-metal pegmatites of the alkaline granite formation of the Kola Peninsula. Quartz-zircon pseudomorphs [Внутригранитные редкометалльные пегматиты щелочногранитовой формации Кольского полуострова. Кварц-цирконовые псевдоморфозы]. Zapiski RMO [Записки РМО], 134, 4, 98-107; Lyalina, L.M., Selivanova, E.A., Savchenko, Ye.E., Zozulya, D.R., Kadyrova, G.I. (2014): Minerals of the gadolinite-(Y)–hingganite-(Y) series in the alkali granite pegmatites of the Kola Peninsula. Geology of Ore Deposits, 56, 675-684.
South Korea
 
  • Chungcheongbukdo (Chungchong-pukto)
    • Chungju (Chung Won Kum; Chung-ju)
      • Joongwon-gun
        • Mt. Eorae
P.M. Kartashov analytical data (2002)
Tajikistan
 
  • Region of Republican Subordination
    • Tien Shan Mtn
      • Alai Range (Alayskiy)
Pavel M. Kartashov analytical data (2011)
USA
 
  • Michigan
    • Marquette Co.
      • Republic
http://www.museum.mtu.edu//news/Mineralogy%20of%20Michigan%20Update%20April%202013.pdf by Robinson, G.W. and Carlson, S.M.
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