Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Vyuntspakhkite-(Y)

Big Photo

Stetind, Tysfjord, Nordland, Norway
© Harald Folvik

Show Vyuntspakhkite-(Y) Photos (6)
Formula:
Y
 
4
Al
 
3
Si
 
5
O
 
18
(OH)
 
5
Colour:ColourlessHardness:6 - 7
Name:Named after the highest mountain (Mt. Vyuntspakhk) in the region of the type locality.


A very rare yttrium mineral in pegmatites.

Classification of Vyuntspakhkite-(Y)

IMA status:Approved 1982
Strunz 8th edition ID:8/E.13-10
Strunz 9th edition ID:9.BG.40
Nickel-Strunz 10th (pending) edition ID:9.BG.40

9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
Dana 8th edition ID:61.1.18.1

61 : CYCLOSILICATES Six-Membered Rings
1 : Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Hey's CIM Ref.:16.13.1

16 : Silicates Containing Aluminum and other Metals
13 : Aluminosilicates of the rare earths
mindat.org URL:http://www.mindat.org/min-4222.html
Please feel free to link to this page.

Type Occurrence of Vyuntspakhkite-(Y)

Type Locality:Ploskaya Mt, Western Keivy Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Vyuntspakhkite-(Y)

Lustre:Adamantine
Diaphaneity (Transparency):Transparent
Colour:Colourless
Hardness (Mohs):6 - 7

Crystallography of Vyuntspakhkite-(Y)

Morphology:Microinclusions in yttrofluorite.

Optical Data of Vyuntspakhkite-(Y)

Type:Biaxial (+)
RI values: nα = 1.680 nβ = 1.692 nγ = 1.720
2V:Measured: 68° , Calculated: 68°
Maximum Birefringence:δ = 0.040

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r < v weak

Chemical Properties of Vyuntspakhkite-(Y)

Formula:
Y
 
4
Al
 
3
Si
 
5
O
 
18
(OH)
 
5
Essential elements:Al, H, O, Si, Y
All elements listed in formula:Al, H, O, Si, Y

Relationship of Vyuntspakhkite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.BG.05Allanite-(Ce)
{CaCe}{Al
 
2
Fe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Allanite-(La)
{CaLa}{Al
 
2
Fe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Allanite-(Y)
{CaY}{Al
 
2
Fe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Clinozoisite
{Ca
 
2
}{Al
 
3
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Dissakisite-(Ce)
{CaCe}{Al
 
2
Mg}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Dollaseite-(Ce)
{CaCe}{MgAlMg}[F|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Epidote
{Ca
 
2
}{Al
 
2
Fe
3+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Epidote-(Pb)
{CaPb}{Al
 
3
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Khristovite-(Ce)
{CaCe}{MgAlMn
2+
 
}[F|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Mukhinite
{Ca
 
2
}{Al
 
2
V
3+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Piemontite
{Ca
 
2
}{Al
 
2
Mn
3+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Piemontite-(Sr)
{CaSr}{Al
 
2
Mn
3+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Manganiandrosite-(La)
{LaMn
2+
 
}{Mn
3+
 
AlMn
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Tawmawite
Ca
 
2
(Al,Fe
3+
 
,Cr)
 
3
[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Manganipiemontite-(Sr)
{CaSr}{Mn
3+
 
AlMn
3+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Ferriallanite-(Ce)
{CaCe}{Fe
3+
 
AlFe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Clinozoisite-(Sr)
CaSrAl
 
3
(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
9.BG.05Ferriepidote
9.BG.05Manganiandrosite-(Ce)
(Mn
2+
 
,Ca)(Ce,REE)Mn
3+
 
AlMn
2+
 
(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
9.BG.05Dissakisite-(La)
{CaLa}{Al
 
2
Mg}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Vanadoandrosite-(Ce)
{Mn
2+
 
Ce}{V
3+
 
AlMn
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Androsite-(La)
9.BG.05Uedaite-(Ce)
Mn
2+
 
CeAl
 
2
Fe
2+
 
[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.05Epidote-(Sr)
CaSrAl
 
2
Fe
3+
 
(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
9.BG.10Zoisite
{Ca
 
2
}{Al
 
3
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.15Macfallite
Ca
 
2
(Mn
3+
 
,Al)
 
3
[(OH)
 
3
|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.15Sursassite
Mn
 
2
Al
 
3
[(OH)
 
3
|SiO
 
4
|Si
 
2
O
 
7
]
9.BG.20Julgoldite-(Fe2+)
Ca
 
2
(Fe
2+
 
,Mg)(Fe
3+
 
,Al)
 
2
[(OH)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
9.BG.20Okhotskite
Ca
 
8
(Mn
2+
 
,Mg)
 
4
(Mn
3+
 
,Al,Fe)
 
8
Si
 
12
O
 
56-n
(OH)
 
n
9.BG.20Pumpellyite-(Fe2+)
Ca
 
2
Fe
2+
 
Al
 
2
[(OH)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
9.BG.20Pumpellyite-(Fe3+)
Ca
 
2
(Fe
3+
 
,Mg,Fe
2+
 
)(Al,Fe
3+
 
)
 
2
[(OH,O)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
9.BG.20Pumpellyite-(Mg)
Ca
 
2
MgAl
 
2
[(OH)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
9.BG.20Pumpellyite-(Mn2+)
Ca
 
2
(Mn
2+
 
,Mg)(Al,Mn
3+
 
,Fe
3+
 
)
 
2
[(OH)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
9.BG.20Shuiskite
Ca
 
2
(Mg,Al)(Cr,Al)
 
2
[(OH)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · 2H
 
2
O
9.BG.20Julgoldite-(Fe3+)
Ca
 
2
(Fe
3+
 
,Mg)(Fe
3+
 
,Al)
 
2
[(OH,O)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
9.BG.20Pumpellyite-(Al)
Ca
 
2
(Al,Fe
2+
 
,Mg)Al
 
2
[(OH,O)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
9.BG.20Poppiite
Ca
 
2
(V
3+
 
,Fe
3+
 
,Mg)(V
3+
 
,Al)
 
2
[(OH,O)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
9.BG.20Julgoldite-(Mg)
Ca
 
2
(Mg,Fe
2+
 
)(Fe
3+
 
,Al)
 
2
[(OH)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
9.BG.25Ganomalite
Pb
 
9
Ca
 
5
Mn[O|SiO
 
4
|(Si
 
2
O
 
7
)
 
4
]
9.BG.30Rustumite
Ca
 
10
(Si
 
2
O
 
7
)
 
2
(SiO
 
4
)Cl
 
2
(OH)
 
2
9.BG.35Vesuvianite
Ca
 
10
(Mg,Fe)
 
2
Al
 
4
Si
 
9
O
 
34
(OH)
 
4
9.BG.35Wiluite
Ca
 
19
(Al,Mg,Fe,Ti)
 
13
(B,Al,[ ])
 
5
Si
 
18
O
 
68
(O,OH)
 
10
9.BG.35Manganvesuvianite
Ca
 
19
Mn(Al,Mn,Fe)
 
19
(Mg,Mn)
 
2
Si
 
18
O
 
69
(OH)
 
9
9.BG.35Fluorvesuvianite
Ca
 
19
(Al,Mg,Fe
2+
 
)
 
13
[(F,OH,O)
 
10
|(SiO
 
4
)
 
10
|(Si
 
2
O
 
7
)
 
4
]
9.BG.45Dellaite
Ca
 
6
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
2
9.BG.50Gatelite-(Ce)
CaCe
 
3
Al
 
2
(Al,Mg)(Mg,Fe
2+
 
,Al)[(O,F)|(OH,O)
 
2
|(SiO
 
4
)
 
3
|Si
 
2
O
 
7
]
9.BG.55Västmanlandite-(Ce)
Ca(Ce,La)
 
3
Al
 
2
Mg
 
2
 [F|(OH)
 
2
|(SiO
 
4
)
 
3
|Si
 
2
O
 
7
]
Related Minerals - Hey's Index Grouping:

- +
16.13.2Törnebohmite-(Ce)
(Ce,La)
 
2
Al(SiO
 
4
)
 
2
OH
16.13.3Törnebohmite-(La)
(La,Ce)
 
2
Al(SiO
 
4
)
 
2
OH
16.13.4Allanite-(Y)
{CaY}{Al
 
2
Fe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
16.13.5Allanite-(Ce)
{CaCe}{Al
 
2
Fe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
16.13.6Dollaseite-(Ce)
{CaCe}{MgAlMg}[F|OH|SiO
 
4
|Si
 
2
O
 
7
]
16.13.8Dissakisite-(Ce)
{CaCe}{Al
 
2
Mg}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]

Other Names for Vyuntspakhkite-(Y)

Synonyms:
IMA1982-040
Other Languages:
German:Vyuntspakhkit-(Y)
Russian:Вюнцпахкит-(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 Vyuntspakhkite-(Y)

Reference List:Mineralogicheskii Zhurnal, Kiev (1983): 5(4): 89-94.

American Mineralogist (1984): 69: 1193.

A.V. Voloshin, Ya.A. Pakhomovskii (1986) Minerals and mineralformation evolution in amazonite pegmatites of Kola peninsula, - Leningrad, Nauka, pp.168 (in Russ.)

I.V.Pekov (1998) Minerals first discovered on the territory of the Former Soviet Union, - Moscow, Ocean Pictures, p. 235.

Internet Links for Vyuntspakhkite-(Y)

Search Engines:
  • Look for Vyuntspakhkite-(Y) on Google
  • Look for Vyuntspakhkite-(Y) images on Google
    • External Links:
  • Look for Vyuntspakhkite-(Y) on Webmineral
  • Look for Vyuntspakhkite-(Y) on Athena Mineralogy
  • Look for Vyuntspakhkite-(Y) on Wikipedia
  • Look for Vyuntspakhkite-(Y) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Vyuntspakhkite-(Y) in the Natural History Museum (London) online catalogue
  • Vyuntspakhkite-(Y) details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Buy Minerals and Crystals from Crystalarium.com
  • High-end worldwide specimens & outstanding customer service
  • Rare and Unusual minerals at Mineralogical Research Company
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Wendel Minerals - Auktion & Shop
  • Search for - Vyuntspakhkite-(Y) - on e-Rocks Mineral Sales & Auctions
  • Wilensky Fine Minerals
  • The Arkenstone - Fine Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Lapis Mineral Magazin
  • Edwards Minerals - Fine Specimens
  • Buy minerals from Mineralium.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Vyuntspakhkite-(Y)

    Hide Locality List
    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.
    (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.
    Norway
     
    • Nordland
      • Tysfjord
    		Collection of Tomas Husdal
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Western Keivy Massif
    		A.V. Voloshin, Ya.A. Pakhomovskii Minerals and mineralformation evolution in amazonite pegmatites of Kola peninsula, - Leningrad, Nauka, 1986, pp.168; I.V.Pekov (1998) Minerals first discovered on the territory of the Former Soviet Union, - Moscow, Ocean Pictures, p. 235.
    Sweden
     
    • Dalarna
      • Falun
    		No reference listed
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 1st Nov 2009 05:58:37