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Cayalsite-(Y)-1M

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Formula:
CaY6Al2Si4O18F6
Crystal System:
Monoclinic
A polytype of Cayalsite-(Y)

The monoclinic MDO [maximum degree of order] polytype of Cayalsite-(Y).


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Unique IdentifiersHide

Mindat ID:
46664
Long-form identifier:
mindat:1:1:46664:6

Chemistry of Cayalsite-(Y)-1MHide

Mindat Formula:
CaY6Al2Si4O18F6
Element Weights:
Element% weight
Y46.719 %
O25.222 %
F9.983 %
Si9.839 %
Al4.726 %
Ca3.510 %

Calculated from ideal end-member formula.
Elements listed:
Al, Ca, F, O, Si, Y - search for minerals with similar chemistry

Crystallography of Cayalsite-(Y)-1MHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P2/b
Setting:
P2/c
Cell Parameters:
a = 11.0602(7) Å, b = 5.5280(2) Å, c = 16.0195(9) Å
β = 118.925(3)°
Ratio:
a:b:c = 2.001 : 1 : 2.898
Unit Cell V:
857.26 ų (Calculated from Unit Cell)

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.

Internet Links for Cayalsite-(Y)-1MHide

References for Cayalsite-(Y)-1MHide

Localities for Cayalsite-(Y)-1MHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Norway
 
  • Nordland
    • Narvik
Malcherek et al. (2015)
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