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Cayalsite-(Y)

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Formula:
CaY6Al2Si4O18F6
System:
Orthorhombic
This page provides mineralogical data about Cayalsite-(Y).

Classification of Cayalsite-(Y)

Approved 2012
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Type Occurrence of Cayalsite-(Y)

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
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 Data:
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:
CaY6Al2Si4O18F6
Essential elements:
All elements listed in formula:

Other Names for Cayalsite-(Y)

Name in Other Languages:

Other Information

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 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)

Localities for Cayalsite-(Y)

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
 
  • 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.
Mineral and/or Locality  
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