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Phosinaite-(Ce)

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Big Photo

Palitra pegmatite (Palette pegmatite), Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Elmar Lackner

Show Phosinaite-(Ce) Photos (9)



Formula:
Na
 
13
Ca
 
2
(Ce,La,Th,Nd,Pr)(Si
 
4
O
 
12
)(PO
 
4
)
 
4
System:OrthorhombicColour:Colourless
Lustre:VitreousHardness:3½
Name:For its major constituents - a phosphate silicate of sodium (latin, "natrium")


Labuntsovite Group.

Classification of Phosinaite-(Ce)

IMA status:Approved
Strunz 8th edition ID:8/E.07-110
Nickel-Strunz 10th (pending) edition ID:9.CF.15

9 : SILICATES (Germanates)
C : Cyclosilicates
F : [Si4O12]8- 4-membered single rings, with insular complex anions
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Type Occurrence of Phosinaite-(Ce)

Co-type Localities:Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Phosinaite-(Ce)

Lustre:Vitreous
Colour:Colourless
Streak:White
Hardness (Mohs):3½

Crystallography of Phosinaite-(Ce)

Crystal System:Orthorhombic

Optical Data of Phosinaite-(Ce)

Type:Biaxial (-)
RI values: nα = 1.567 nβ = 1.569 nγ = 1.570
2V:Measured: 68° , Calculated: 70°
Maximum Birefringence:δ = 0.003

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

Chemical Properties of Phosinaite-(Ce)

Formula:
Na
 
13
Ca
 
2
(Ce,La,Th,Nd,Pr)(Si
 
4
O
 
12
)(PO
 
4
)
 
4
Essential elements:Ca, Ce, Na, O, P, Si
All elements listed in formula:Ca, Ce, La, Na, Nd, O, P, Pr, Si, Th

Relationship of Phosinaite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.CF.05Ashburtonite
Pb
 
4
Cu
 
4
(Si
 
4
O
 
12
)(HCO
 
3
)
 
4
(OH)
 
3
Cl · H
 
2
O
9.CF.10Kainosite-(Y)
Ca
 
2
(Y,Ce)
 
2
(Si
 
4
O
 
12
)(CO
 
3
) · H
 
2
O
9.CF.15Clinophosinaite
Na
 
12
(Ca,Sr)
 
4
(Si
 
4
O
 
12
)(PO
 
4
)
 
4
9.CF.20Strakhovite
NaBa
 
3
(Mn,Mn)
 
4
Si
 
6
O
 
19
(OH)
 
3
9.CF.25Cerchiaraite
Ba
 
4
Mn
 
4
Si
 
6
(O,OH,Cl)
 
26

Other Names for Phosinaite-(Ce)

Synonyms:
Fosinaite-(Ce)IMA1973-058PhosinaiteUnnamed (MSH UK-64)
Other Languages:
German:Phosinait
Russian:Фосинаит-(Ce)

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 Phosinaite-(Ce)

Reference List:

- +
KAPUSTIN, Y.L., (1975) Phosinaite, a new rare earth mineral. International Geology Review, 17, 661-664. Abstract: American Mineralogist (1975), 60, 488.
KRUTIK, V.M., PUSHCHAROVSKII, d. Yu., KHOMYAKOV, A.P., POBEDIMSKAYA, E.A. and BELOV, N.V. (1980) Anion radical of mixed type (four [Si4O12] rings and P orthotetrahedra in the structure of monoclinic fosinaite (sic) [=phosinaite]. Soviet Physics, Crystallography, 25, (2), 138-142
KRUTIK, V.M., PUSHCHAROVSKII, D.Yu., KHOMYAKOV, A.P., POBEDIMSKAYA, E.A. and BELOV, N.V. (1980) Crystal Structure and typomorphism of phosinaite. Soviet Physics, Crystallography, 26, (6), 679 682.
McDONALD, A.M., CHAO, G.Y., and GRICE, J.D. (1996) Phosinaite (Ce) from Mont Saint Hilaire, Quebec: new data and structure
refinement. Canadian Mineralogist, 34, 107-114.
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1981): 110: 353.

Internet Links for Phosinaite-(Ce)

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    • Localities for Phosinaite-(Ce)

    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.
    Hide Locality List
    (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.
    Canada
     
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		McDONALD, A.M., CHAO, G.Y., and GRICE, J.D. (1996) Phosinaite (Ce) from Mont Saint Hilaire, Quebec: new data and structure refinement. Canadian Mineralogist, 34, 107-114.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		[World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
          • Lovozero Massif
    		[World of Stones 95:5-6, p64]
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Mineralogical Record: 36(4): 397-416.
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