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Yttrialite-(Y)

Big Photo

Holmtjärn pegmatite, Idkerberget, Borlänge, Dalarna, Sweden
© B. Otter

Show Yttrialite-(Y) Photos (2)
Formula:
(Y,Th)
 
2
[Si
 
2
O
 
7
]
Colour:Olive-green, brown to ...
Name:The name recalls its yttrium content.


Thortveitite Group.

Classification of Yttrialite-(Y)

IMA status:Approved
Strunz 8th edition ID:8/C.01-40
Nickel-Strunz 10th (pending) edition ID:9.BC.05

9 : SILICATES (Germanates)
B : Sorosilicates
C : Si2O7 groups, without non-tetrahedral anions; cations in octahedral [6] and greater coordination
Dana 8th edition ID: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
Hey's CIM Ref.:14.11.5

14 : Silicates not Containing Aluminum
11 : Silicates of Th and Hg
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Type Occurrence of Yttrialite-(Y)

Type Locality:Baringer Hill (Barringer Hill), Bluffton, Llano Co., Texas, USA

Physical Properties of Yttrialite-(Y)

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

Chemical Properties of Yttrialite-(Y)

Formula:
(Y,Th)
 
2
[Si
 
2
O
 
7
]
Essential elements:O, Si, Y
All elements listed in formula:O, Si, Th, Y

Relationship of Yttrialite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.BC.05Gittinsite
CaZr[Si
 
2
O
 
7
]
9.BC.05Keiviite-(Y)
(Y,Yb)
 
2
[Si
 
2
O
 
7
]
9.BC.05Keiviite-(Yb)
(Yb,Y)
 
2
[Si
 
2
O
 
7
]
9.BC.05Thortveitite
(Sc,Y)
 
2
[Si
 
2
O
 
7
]
9.BC.10Keldyshite
(Na,H)
 
2
ZrSi
 
2
O
 
7
9.BC.10Khibinskite
K
 
2
ZrSi
 
2
O
 
7
9.BC.10Parakeldyshite
Na
 
2
ZrSi
 
2
O
 
7
9.BC.15Rankinite
Ca
 
3
Si
 
2
O
 
7
9.BC.20Barysilite
Pb
 
8
Mn
2+
 
[Si
 
2
O
 
7
]
 
3
9.BC.25Edgarbaileyite
(Hg-Hg)
 
3
[Si
 
2
O
 
7
]
9.BC.30Kristiansenite
Ca
 
2
ScSn(Si
 
2
O
 
7
)(Si
 
2
O
 
6
OH)
9.BC.35Percleveite-(Ce)
(Ce,La,Nd)
 
2
[Si
 
2
O
 
7
]
Related Minerals - Hey's Index Grouping:

- +
14.11.1Thorite
(Th,U)[SiO
 
4
]
14.11.2Huttonite
Th[SiO
 
4
]
14.11.3Umbozerite
Na
 
3
Sr
 
4
Th[Si(O,OH)
 
3-4
]
 
8
14.11.4Thornasite
(Na,K)Th,Si
 
11
(O,OH,F,Cl)
 
25
·8H
 
2
O
14.11.6Edgarbaileyite
(Hg-Hg)
 
3
[Si
 
2
O
 
7
]

Other Names for Yttrialite-(Y)

Other Languages:
German:Yttrialith-(Y)
Russian:Иттриалит-(Y)

Other Information

Health Warning: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)

Reference List:American Journal of Science (1889): 138: 477.

Soviet Physics – Crystallography (1971): 16: 786.

American Mineralogist (1973): 58: 545.

Articles/Blogs about Yttrialite-(Y)

Internet Links for Yttrialite-(Y)

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    Localities for Yttrialite-(Y)

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    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Japan
     
    • Honshu Island
      • Tohoku Region
        • Fukushima Prefecture
          • Kawamata
            • Iizaka (Iisaka) Village
    • Shikoku Island
      • Ehime prefecture
        • Matsuyama City
    		Kato, A. (1973) Sakurai Koubutsu Hyohon, 57. (Kinichi Sakurai collection)
    Norway
     
    • Aust-Agder
    		[http://home.sol.no/~rwerner/articles/evje-pegmatites.html]
      • Iveland
    		Nilssen, B. (1971): Yttrialite from Ivedal, Iveland, South Norway. Nosk Geologisk Tidsskrift 51, 1-8
    • Nordland
      • Tysfjord
    		Collection of Tomas Husdal
    Russia
     
    • Far-Eastern Region
      • Khabarovskiy Kray
    		no reference
    Sweden
     
    • Dalarna
      • Borlänge
        • Idkerberget
    USA
     
    • Texas
      • Burnet Co.
    		[MinRec 8:90]
      • Llano Co.
        • Bluffton
    		Dana 6
    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
    Mineral and/or Locality
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