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Galliskiite

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Formula:
Ca
 
4
Al
 
2
(PO
 
4
)
 
2
F
 
8
· 5H
 
2
O
System:Triclinic
This page provides mineralogical data about Galliskiite.

Classification of Galliskiite

IMA status:Approved 2009
Dana 8th edition ID:42.2.2.5

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
2 : (AB)3(XO4)Zq·xH2O
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Type Occurrence of Galliskiite

Type Locality:Gigante pegmatite, Punilla Department, Córdoba, Argentina

Crystallography of Galliskiite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 6.1933(7) Å, b = 9.871(1) Å, c = 13.580(2) Å
α = 89.716(3)°, β = 75.303(4)°, γ = 88.683(4)°
Ratio:a:b:c = 0.627 : 1 : 1.376
Unit Cell Volume:V 802.82 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
7.904 (70)
5.994 (100)
3.280 (58)
3.113 (30)
2.945 (82)
2.887 (44)
2.262 (27)
1.821 (27)

Chemical Properties of Galliskiite

Formula:
Ca
 
4
Al
 
2
(PO
 
4
)
 
2
F
 
8
· 5H
 
2
O
Simplified for copy/paste:Ca4Al2(PO4)2F8·5H2O
Essential elements:Al, Ca, F, H, O, P
All elements listed in formula:Al, Ca, F, H, O, P

Other Names for Galliskiite

Synonyms:
IMA2009-038
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 Galliskiite

Reference List:

- +
IMA Approvals - August 2009

Kampf, A.R., Colombo, F., Simmons, W.B., Jr., Falster, A., Nizamoff, J.W. (2010): Galliskiite, Ca4Al2(PO4)2F8·5H2O, a new mineral from the Gigante granitic pegmatite, Cordoba province, Argentina. American Mineralogist, 95, (in press).

Internet Links for Galliskiite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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  • Localities for Galliskiite

    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.
    Argentina
     
    • Córdoba
      • Punilla Department
    IMA Approvals - August 2009; Kampf, A.R., F. Colombo, W.B. Simmons Jr., A. Falster, J.W. Nizamoff (2010): Galliskiite, Ca4Al2(PO4)2F8 x 5H2O, a new mineral from the Gigante granitic pegmatite, Cordoba province, Argentina. American Mineralogist. 95, 392-96
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