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Thalénite-(Y)

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Formula:
Y3Si3O10F
Colour:
Flesh-pink, brown or greenish.
Lustre:
Greasy
Hardness:
6
Crystal System:
Monoclinic
Name:
Named after Tobia Robert Thalén (28 December 1827 – 27 July 1905), Swedish physicist and astronomer.
This mineral is found in granite pegmatites, associated with Fergusonite, Magnetite, etc.
Earlier defined as the OH-analog of fluorthalénite-(Y) (now descredited). Škoda et al (2015) re-examined the type material and found that it showed dominance of F over OH, thus the type material actually corresponds to the species earlier defined as fluorthalénite-(Y).

Redefined by IMA in 2014 (IMA 14-D) as a F-dominant species with ideal composition Y3Si3O10F and given the name Thalénite-(Y) as it has historical priority.


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Classification of Thalénite-(Y)Hide

Approved
Notes:
Renamed by the IMA
Approval History:
Renamed by IMA: 2014
9.BJ.20

9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral [6] and greater coordination
55.2.1b.2

55 : SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
2 : Si2O7 Groups, Generally with no Additional Anions with cations in [6] coordination
14.8.1

14 : Silicates not Containing Aluminum
8 : Silicates of Group III metals other than Al

Physical Properties of Thalénite-(Y)Hide

Greasy
Transparency:
Translucent
Colour:
Flesh-pink, brown or greenish.
Streak:
White
Hardness:
Tenacity:
Brittle

Optical Data of Thalénite-(Y)Hide

Type:
Biaxial (-)
RI values:
nα = 1.731 nβ = 1.738 nγ = 1.744
2V:
Measured: 68° , Calculated: 84°
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v

Chemical Properties of Thalénite-(Y)Hide

Formula:
Y3Si3O10F

Crystallography of Thalénite-(Y)Hide

Crystal System:
Monoclinic
Cell Parameters:
a = 7.3464(4) Å, b = 11.1726(5) Å, c = 10.4180(5) Å
β = 97.318(4)°
Ratio:
a:b:c = 0.658 : 1 : 0.932
Unit Cell V:
848.13 ų
Z:
4
Comment:
Spacegroup P21/n

Type Occurrence of Thalénite-(Y)Hide

Synonyms of Thalénite-(Y)Hide

Other Language Names for Thalénite-(Y)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Yttrofluorite11 photos of Thalénite-(Y) associated with Yttrofluorite on mindat.org.
Allanite-(Y)8 photos of Thalénite-(Y) associated with Allanite-(Y) on mindat.org.
Tengerite-(Y)7 photos of Thalénite-(Y) associated with Tengerite-(Y) on mindat.org.
Yttrocrasite-(Y)5 photos of Thalénite-(Y) associated with Yttrocrasite-(Y) on mindat.org.
Keiviite-(Y)4 photos of Thalénite-(Y) associated with Keiviite-(Y) on mindat.org.
Allanite-(Ce)4 photos of Thalénite-(Y) associated with Allanite-(Ce) on mindat.org.
Kimuraite-(Y)3 photos of Thalénite-(Y) associated with Kimuraite-(Y) on mindat.org.
Iimoriite-(Y)1 photo of Thalénite-(Y) associated with Iimoriite-(Y) on mindat.org.
Fluorite1 photo of Thalénite-(Y) associated with Fluorite on mindat.org.
Bastnäsite-(Ce)1 photo of Thalénite-(Y) associated with Bastnäsite-(Ce) on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.BJ.05OrientiteCa8Mn3+10(SiO4)3(Si3O10)3(OH)10 · 4H2O Orth.
9.BJ.10RosenhahniteHCa3[Si3O9(OH)]Tric.
9.BJ.15TrabzoniteCa4(Si3O9)(OH)2Orth. mm2 : Ama2
9.BJ.25TiragalloiteMn2+4As5+Si3O12(OH)Mon. 2/m
9.BJ.30MedaiteMn2+6V5+Si5O18(OH)Mon.
9.BJ.35RuiziteCa2Mn3+2[Si4O11(OH)2](OH)2·2H2OMon. 2
9.BJ.40Ardennite-(As)Mn2+4Al4(AlMg)(AsO4)(SiO4)2(Si3O10)(OH)6Orth. mmm (2/m 2/m 2/m)
9.BJ.40Ardennite-(V)Mn2+4Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6Orth. mmm (2/m 2/m 2/m) : Pmmn
9.BJ.45KilchoaniteCa6(SiO4)(Si3O10)Orth.
9.BJ.50KornerupineMg3Al6(Si,Al,B)5O21(OH)Orth. mmm (2/m 2/m 2/m)
9.BJ.50Prismatine(◻,Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22Orth.
9.BJ.55ZunyiteAl13Si5O20(OH,F)18ClIso. 4 3m : F4 3m
9.BJ.60HubeiteCa2Mn2+Fe3+[HSi4O13] · 2H2OTric.
9.BJ.65Cassagnaite(Ca,Mn2+)4(Fe3+,Mn3+,Al)4(V3+,Mg,Al)2(Si3O10)(SiO4)2(OH,O)8Orth. mmm (2/m 2/m 2/m) : Cmcm

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

55.2.1b.1Rowlandite-(Y)(Y,Ce)4Fe2+(Si2O7)2F2 (?)Tric.
55.2.1b.3Yttrialite-(Y)(Y,Th)2Si2O7

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.8.2Keiviite-(Y)Y2Si2O7
14.8.3Keiviite-(Yb)Yb2Si2O7Mon. 2/m : B2/m
14.8.4Tombarthite-(Y)Y4(Si,H4)4O12-x(OH)4+2xMon.
14.8.5ThortveititeSc2Si2O7Mon.
14.8.6Sazhinite-(Ce)Na2CeSi6O14•6H2O
14.8.7Monteregianite-(Y)(Na,K)6(Y,Ca)2Si16O38 · 10H2OMon. 2/m
14.8.8Iraqite-(La)KCa2(La,Ce,Th)Si8O20Tet.
14.8.9Ashcroftine-(Y)K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8 · 8H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
14.8.10Nordite-(La)(La,Ce)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17
14.8.11Nordite-(Ce)(Ce,La)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17
14.8.12JervisiteNaSc3+Si2O6Mon.
14.8.13Cerite-(Ce)(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
14.8.14CascanditeCa(Sc,Fe3+)(HSi3O9)Tric.

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 Thalénite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Benedicks C (1898): Mötet den 3 November 1898 [Thalénit, frän Österby i Dalarne]. Geologiska Föreningens i Stockholm Förhandlingar 20, 308-312
Kornev, A. N., Batalieva, N. G., Maksimov, B. A., Ilyukhin, V. V. & Belov, N. V. (1972). Crystal structure of thalenite Y3[Si3O10](OH). Doklady Akademii Nauk SSSR 202, 1324-1327. (In Russian.)
American Mineralogist (1986): 71: 188.
Yakubovich, O. V.; Voloshin, A. V.; Pakhomovskii, Ya. A.; Simonov, M. A. (1988): Refined crystal structure of thalenite. Kristallografiya 33, 605-608. (In Russian.) [English version: Soviet Physics – Crystallography 33, 356-358.
IMA 14-D, CNMNC Newsletter No. 22, 2014
Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. (2015): Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79, 965-983.

Internet Links for Thalénite-(Y)Hide

Localities for Thalénite-(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.
Finland
 
  • Western and Inner Finland Region
    • Valkeakoski
Vorma, A., Ojanperä, P., Hoffrén, V., Siivola, J. & Löfgren, A.(1966): On the rare earth minerals from the Pyörönmaa pegmatite in Kangasala, SW-Finland. Bulletin de la Commission Géologique Finlande 222. 241-274
Japan
 
  • Honshu Island
    • Tohoku Region
      • Fukushima Prefecture
        • Ishikawa town (Ishikawa-machi)
Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. (2015): Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79, 965-983.
        • Kawamata
          • Iizaka Village (Iisaka)
Am Min 69:196-199; Kozo Nagashim & Akira Kato (1966) Chemical Studies of Minerals Containing Rarer Elements from the Far East District. LX. Thalenite from Suishoyama, Kawamata-machi, Fukushima Prefecture, Japan Bulletin of the Chemical Society of Japan 39:925-928; Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. (2015): Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79, 965-983.
Kazakhstan
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    • Tarbagatai Range
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
STEPANOV, A.V., BEKENOVA, G.K., LEVIN, V.L., HAWTHORNE, F.C. & DOBROVOL’SKAYA, E.A. (2012): Tarbagataite,(K,□)2(Ca,Na)(Fe2+,Mn)7Ti2(Si4O12)2O2(OH)4(OH,F), a new astrophyllite-group mineral species from the Verkhnee Espe deposit, Akjailyautas Mountains, Kazakhstan: description and crystal structure Canadian Mineralogist 50,159-168.
Norway
 
  • Aust-Agder
    • Evje og Hornnes
Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-31
    • Iveland
      • Ivedal
Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
Pers. commentary Borghild Nilssen august 1968
      • Rossås (Rosås)
Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
      • Støledalen
Schetelig, J.(1931): Remarks on thalenite from some new occurrences in Southern Norway. Norsk Geologisk Tidsskrift 12, 507-519; Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
  • Nordland
    • Hamarøy
Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.; Pekov, I.V., Zubkova, N.V., Chukanov, N.V., Husdal, T.A., Zadov, A.E., Pushcharovsky, D.Yu. (2011): Fluorbritholite-(Y), (Y,Ca,Ln)5[(Si,P)O4]3 F, a new mineral of the britholite group. Neues Jahrbuch für Mineralogie - Abhandlungen, 188, 191-197.
    • Rana
Grauch et al. (1994): Høgtuvaite, a new beryllian member of the aenigmatite group fom Norway, with x-ray data on aenigmatite. Canadian Mineralogist. 32: 439-448.
    • Tysfjord
Vogt, Th. (1922): Über Thalenit von Hundholmen im nördlichen Norwegen. in Brøgger, W.C, Vogt, Th. & Schetelig, J. (1922): Die Mineralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1922. 11, 19-47 + plates VII-IX.
Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.; Schlüter, J., Malcherek, T., Husdal, T. A. (2009): The new mineral stetindite, CeSiO4, a cerium end-member of the zircon group. Neues Jahrbuch fur Mineralogie - Abhandlungen, 186(2), 195-200
  • Telemark
    • Drangedal
      • Tørdal
Kristiansen, R. (1998): Høydalen Litium-pegmatitt-Tørdal i Telemark. STEIN 25 (4), 21-30
  • Vest-Agder
    • Vennesla
      • Øvrebø
Griffin, W.L., Nilssen, B. & Jensen, B.B. (1979): Britholite-(Y) and its alteration: Reiarsdal, Vest-Agder, south Norway. Norsk Geologisk Tidsskrift 59: 265-271
Russia
 
  • Eastern-Siberian Region
    • Tuva Republic
no reference
  • Northern Region
    • Komi Republic
      • Prepolar Ural
        • Kozhim River Basin
          • Maldynyrd range (Maldy-nyrd range)
            • Grubependity Lake
Irina V. Kozyreva data
    • Murmanskaya Oblast'
      • Belye Tundry Massif
Lyalina, L.M., Savchenko, Ye.E., Selivanova, E.A. [Лялина Л.М., Савченко Е.Э., Селиванова Е.А.] (2007): Fluorthalénite-(Y) and crystalline britholite-(Y) in a pegmatite of the Belye Tundry alkali granite massif, Kola Peninsula [Фторталенит-(Y) и кристаллический бритолит-(Y) в пегматите щелочно-гранитного массива Белые тундры, Кольский полуостров]. Mineralogy in the whole space of this word. Proceedings of IV Fersman Scientific Session. Apatity, 4-6 June 2007 [Минералогия во всем пространстве сего слова. Труды IV Ферсмановской научной сессии. Апатиты, 4-6 июня 2007]. K & M, Apatity, 174-177; 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.
      • Keivy Mountains
        • Western Keivy Massif
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Voloshin A.V., Pakhomovskii Ya.A. [Волошин А.В., Пахомовский Я.А.] (1997): Fluorthalénite-(Y), a new mineral from amazonite randpegmatites of the Kola Peninsula [Фторталенит-(Y) - новый минерал из амазонитовых рандпегматитов Кольского полуострова]. Dokl. RAN [Докл. РАН], 354, 1, 77-78 (in Russian); Pekov I.V. (1998): Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow, 369 pp.
Spain
 
  • Madrid
Tanago, J. G., Lozano, P. L., Larios, A. , La Iglesia, A. (2012) Stokesite crystals from La Cabrera, Madrid, Spain. Mineralogical Record 43:499-508
Sweden
 
  • Dalarna
    • Borlänge
      • St Tuna
Natural History Museum, Stockholm collection # 19420038, 19420039
    • Säter
      • St. Skedevi
Benedicks C (1898): Mötet den 3 November 1898 [Thalénit, frän Österby i Dalarne]. Geologiska Föreningens i Stockholm Förhandlingar 20, 308-312; Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. (2015): Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79, 965-983.
  • Lappland
    • Jokkmokk
      • Varjisträsk
Natural History Museum, Stockholm Collection # 19980375; Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. (2015): Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79, 965-983.
  • Värmland
    • Filipstad
      • Persberg district
Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. (2015): Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79, 965-983.
USA
 
  • Arizona
    • Mohave Co.
      • Boulder Springs
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 394; Pabst & Woodhouse (1964); Fitzpatrick, J. & Pabst, A. (1986), Thalenite from AZ, Am.Min.: 71:188-193; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 99.; Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. (2015): Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79, 965-983.
  • Colorado
    • Jefferson Co.
      • South Platte Pegmatite District
Rare-Earth Pegmatites of the South Platte District, Colorado CGS Res Ser 11; Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. (2015): Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79, 965-983.
    • Teller Co.
Min Rec 36:2 pp143-185
Adams, J. W.; Hildebrand, Fred A.; Havens, R. G. (1962): Thalenite from Teller County, Colorado. U.S. Geological Survey Professional Paper No. 450-D, 6-8.; Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. (2015): Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79, 965-983.
  • Texas
    • Burnet Co.
Rocks & Minerals (1991) 66(3): 196-224.
    • Llano Co.
R&M 66:3 pp 196-224
  • Wisconsin
    • Marathon Co.
      • Wausau Intrusive Complex
        • Nine Mile Pluton
www.uwrf.edu/~wc01
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