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Cayalsite-(Y)

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Formula:
CaY
 
6
Al
 
2
Si
 
4
O
 
18
F
 
6
System:Orthorhombic
This page provides mineralogical data about Cayalsite-(Y).

Classification of Cayalsite-(Y)

IMA status:Approved 2012
mindat.org URL:http://www.mindat.org/min-42752.html
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Type Occurrence of Cayalsite-(Y)

Type Locality:Øvre Lapplægeret Quarry, Lapplægeret, Drag, Tysfjord, Nordland, Norway
Place of Conservation of Type Material:Mineralogical Museum of the University of Hamburg, Grindelallee 48, D-20146 Hamburg, Germany, catalogue numbers NO-002B/08 (1O polytype) and NO-002/08 (1M polytype)

Crystallography of Cayalsite-(Y)

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pban {P2/b 2/a 2/n}
Space Group Setting:Pban
Cell Parameters:a = 15.993(1) Å, b = 5.5306(3) Å, c = 9.6590(7) Å
Ratio:a:b:c = 2.892 : 1 : 1.746
Unit Cell Volume:V 854.35 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
5.222 (22)
4.584 (15)
4.094 (17)
3.997 (16)
3.547 (58)
2.992 (100)
2.776 (15)
2.727 (15)

Chemical Properties of Cayalsite-(Y)

Formula:
CaY
 
6
Al
 
2
Si
 
4
O
 
18
F
 
6
Simplified for copy/paste:CaY6Al2Si4O18F6
Essential elements:Al, Ca, F, O, Si, Y
All elements listed in formula:Al, Ca, F, O, Si, Y

Other Names for Cayalsite-(Y)

Synonyms:
IMA2011-094
Other Languages:

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 Cayalsite-(Y)

Reference List:

- +
Malcherek, T., Schlüter, J., Husdal, T.A., Cooper, M.A. (2012) Cayalsite-(Y), IMA 2011-094. CNMNC Newsletter No. 13, June 2012, page 814; Mineralogical Magazine, 76, 807-817.

Internet Links for Cayalsite-(Y)

Search Engines:
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  • Look for Cayalsite-(Y) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
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  • Buy fine minerals and gemstones from Pala International
  • Buy from McDougall Minerals
  • rare and unusual minerals mainly crystallized
  • SpiriferMinerals.com - high quality low prices
  • Fabre Minerals - search for Cayalsite-(Y) specimens
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  • Localities for Cayalsite-(Y)

    (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
        • Drag
          • Lapplægeret
    Malcherek, T., Schlüter, J., Husdal, T.A., Cooper, M.A. (2012) Cayalsite-(Y), IMA 2011-094. CNMNC Newsletter No. 13, June 2012, page 814; Mineralogical Magazine, 76, 807-817.
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