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Yttrialite-(Y)

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Formula:
(Y,Th)2Si2O7
Colour:
Olive-green, brown to black; often with an orange-yellow crust
Lustre:
Greasy
Name:
Named after its chemical composition containing yttrium.
NOTE: not to be confused with Yttriaite-(Y)
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Classification of Yttrialite-(Y)Hide

Approved, 'Grandfathered' (first described prior to 1959)
9.BC.05

9 : SILICATES (Germanates)
B : Sorosilicates
C : Si2O7 groups, without non-tetrahedral anions; cations in octahedral [6] and greater coordination
55.2.1b.3

55 : SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
2 : Si2O7 Groups, Generally with no Additional Anions with cations in [6] coordination
14.11.5

14 : Silicates not Containing Aluminum
11 : Silicates of Th and Hg

Physical Properties of Yttrialite-(Y)Hide

Greasy
Colour:
Olive-green, brown to black; often with an orange-yellow crust

Chemical Properties of Yttrialite-(Y)Hide

Formula:
(Y,Th)2Si2O7
IMA Formula:
Y2Si2O7

Type Occurrence of Yttrialite-(Y)Hide

Other Language Names for Yttrialite-(Y)Hide

Simplified Chinese:硅钍钇矿

Common AssociatesHide

Associated Minerals Based on Photo Data:
Keiviite-(Y)4 photos of Yttrialite-(Y) associated with Keiviite-(Y) on mindat.org.
Tengerite-(Y)3 photos of Yttrialite-(Y) associated with Tengerite-(Y) on mindat.org.
Kamphaugite-(Y)1 photo of Yttrialite-(Y) associated with Kamphaugite-(Y) on mindat.org.
Elpidite1 photo of Yttrialite-(Y) associated with Elpidite on mindat.org.
Keiviite-(Y)-Keiviite-(Yb) Series1 photo of Yttrialite-(Y) associated with Keiviite-(Y)-Keiviite-(Yb) Series on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.BC.05GittinsiteCaZrSi2O7Mon.
9.BC.05Keiviite-(Y)Y2Si2O7
9.BC.05Keiviite-(Yb)Yb2Si2O7Mon. 2/m : B2/m
9.BC.05ThortveititeSc2Si2O7Mon.
9.BC.10Keldyshite(Na,H)2ZrSi2O7Tric. 1 : P1
9.BC.10KhibinskiteK2ZrSi2O7Mon.
9.BC.10ParakeldyshiteNa2ZrSi2O7Tric.
9.BC.15RankiniteCa3Si2O7Mon. 2/m : P21/b
9.BC.20BarysilitePb8Mn2+[Si2O7]3Trig.
9.BC.25Edgarbaileyite(Hg-Hg)3Si2O7Mon.
9.BC.30KristianseniteCa2ScSn(Si2O7)(Si2O6OH)Tric. 1
9.BC.35Percleveite-(Ce)(Ce,La,Nd)2Si2O7Tet. 4

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

55.2.1b.1Rowlandite-(Y)(Y,Ce)4Fe2+(Si2O7)2F2 (?)Tric.
55.2.1b.2Thalénite-(Y)Y3Si3O10FMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.11.1ThoriteTh(SiO4)Tet.
14.11.2HuttoniteThSiO4Mon.
14.11.3UmbozeriteNa3Sr4Th[Si(O,OH)3-4]8Amor.
14.11.4Thornasite(Na,K)12Th3[Si8O19]4 · 18H2OTrig. 3m : R3m
14.11.6Edgarbaileyite(Hg-Hg)3Si2O7Mon.

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 Yttrialite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Journal of Science (1889): 138: 477.
Soviet Physics – Crystallography (1971): 16: 786.
American Mineralogist (1973): 58: 545.

Internet Links for Yttrialite-(Y)Hide

Localities for Yttrialite-(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.
Brazil
 
  • Rio de Janeiro
    • Itatiaia
elluso, L., Guarino, V., Lustrino, M., Morra, V., De' Gennaro, R. (2016): The REE- and HFSE-bearing phases in the Itatiaia Alkaline Complex (Brazil), and geochemical evolution of feldspar-rich felsic melts. Mineralogical Magazine: 80: (in press); http://forum.amiminerals.it/viewtopic.php?f=5&t=12839&sid=298fa3a883df3b6a74caf0dae5778cc7 (2016)
Finland
 
  • Northern Finland Region
    • Pyhäntä
Al Ani and Torppa Akseli 2011. REE-Nb mineralogy in Katajakangas and Lamujärvi alkaline rocks, Central Finland.
  • Southwestern Finland Region
    • Kemiö Island (Kimito Island)
Jyrki Autio Collection. Pavel M. Kartashov analytical data.
  • Western and Inner Finland Region
    • Valkeakoski
Pavel M. Kartashov analythical data (2014), Jyrki Autio specimen
Japan
 
  • Honshu Island
    • Tohoku Region
      • Fukushima Prefecture
        • Kawamata
Handbook of Mineralogy; Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
          • Iizaka Village (Iisaka)
Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
  • Shikoku Island
    • Ehime prefecture
      • Matsuyama City
Kato, A. (1973) Sakurai Koubutsu Hyohon, 57. (Kinichi Sakurai collection)
    • Kagawa Prefecture
      • Takamatsu
Bernard & Hyrsl (2004) Minerals and their localities.
Mongolia
 
  • Hovd Aimag (Khovd Aimag)
    • Altai Mts
Pavel M. Kartashov analytical data
New Caledonia
 
  • Northern Province
    • Ouégoa Commune
Spandler, C.; Hermann, J. and Rubatto, R. (2004) : Exsolution of thortveitite, yttrialite, and xenotime during low-temperature recrystallization of zircon from New Caledonia, and their significance for trace element incorporation in zircon. American Mineralogist 89: 1795-1806
Norway
 
  • Aust-Agder
    • Evje og Hornnes
Nilssen, B. (1971): Yttrialite from Ivedal, Iveland, South Norway. Norsk Geologisk Tidsskrift 51, 1-8
    • Iveland
      • Ivedal
Nilssen, B. (1971): Yttrialite from Ivedal, Iveland, South Norway. Norsk Geologisk Tidsskrift 51, 1-8
Nilssen, B. (1968): [no title]. in Geologisk Museum. Interne notater 1961-1990. Published by Geologisk Museums Venner, Oslo 1991, p 20.
  • Nordland
    • 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
Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.
  • Telemark
Nilssen, B. (1965): 4.1.1965. in Geologisk Museum. Interne notater 1961-1990. Published by Geologisk Museums Venner, Oslo 1991, p 14
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Polar Yakutia
        • Cherskii range system
          • Selennyakh range
            • Tommot river
no reference
Sweden
 
  • Dalarna
    • Borlänge
      • St Tuna
Bertil Otter photo
Mike Scott S103050 fm Cureton #DZE from Geomar 1998
USA
 
  • Texas
    • Burnet Co.
Crook, Wilson W. III (1977) Texasite, a new mineral: the first example of a differentiated rare-earth species. American Mineralogist: 62: 1006-1008.; Crook, Wilson W. III (1977) The Clear Creek pegmatite: a rare earth pegmatite in Burnett County, Texas. Mineralogical Record, 8 (2): 88-90.
    • Llano Co.
      • Bluffton
Dana 6; Canadian Mineralogist (1961): 6: 576-581.; Am Min (1932) Volume 17, pages 381-390,
Ewing, R.C. & Ehlmann, A.J. (1973) Yttrialite and uraninite, additional minerals from the Rode Ranch pegmatite, Central Mineral Region, Texas. American Mineralogist 58: 545-547.; R&M 66:3 pp. 196-224.
Minerals of Virginia 1990 by R. V. Dietrich
    • Bedford Co.
      • Moneta-Forest
Minerals of Virginia, 1990 by R. V. Dietrich
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