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Sazhinite-(Ce)

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Aris Quarries (Ariskop Quarry; Railway Quarry), Aris, Windhoek District, Khomas Region, Namibia
© Stephan Wolfsried

Show Sazhinite-(Ce) Photos (16)



Formula:
Na
 
3
Ce[Si
 
6
O
 
15
] · 6H
 
2
O
Colour:Light grayHardness:2½
Name:Named after Nikolai Petrovich Sazhina, professor of Metallurgy, Mendeleev Moscow Institute of Chemical Engineering.


Dalyite Group.
The Ce analogue of sazhinite-(La).

See also Unnamed (Sazhinite-related mineral I)and Unnamed (Sazhinite-related mineral II).

Classification of Sazhinite-(Ce)

IMA status:Approved 1973
Strunz 8th edition ID:8/H.31-10
Nickel-Strunz 10th (pending) edition ID:9.EA.30

9 : SILICATES (Germanates)
E : Phyllosilicates
A : Single nets of tetrahedra with 4-, 5-, (6-), and 8-membered rings
Dana 8th edition ID:72.2.1.3

72 : PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
2 : Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-, 6-, and 8-membered rings
Hey's CIM Ref.:14.8.6

14 : Silicates not Containing Aluminum
8 : Silicates of Group III metals other than Al
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Type Occurrence of Sazhinite-(Ce)

Type Locality:Yubileinaya (Yubileinoye; Jubilejnaja) pegmatite, Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Sazhinite-(Ce)

Lustre:Vitreous, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Colour:Light gray
Hardness (Mohs):2½

Optical Data of Sazhinite-(Ce)

Type:Biaxial (+)
RI values: nα = 1.525 nβ = 1.528 nγ = 1.544
2V:Measured: 47° , Calculated: 48°
Maximum Birefringence:δ = 0.019

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

Chemical Properties of Sazhinite-(Ce)

Formula:
Na
 
3
Ce[Si
 
6
O
 
15
] · 6H
 
2
O
Essential elements:Ce, H, Na, O, Si
All elements listed in formula:Ce, H, Na, O, Si

Relationship of Sazhinite-(Ce) to other Species

Structurally related to group(s):
Dalyite Group
Related Minerals - Nickel-Strunz Grouping):

- +
9.EA.05Cuprorivaite
CaCu[Si
 
4
O
 
10
]
9.EA.05Gillespite
BaFe
2+
 
[Si
 
4
O
 
10
]
9.EA.05Effenbergerite
BaCu[Si
 
4
O
 
10
]
9.EA.05Wesselsite
SrCu[Si
 
4
O
 
10
]
9.EA.10Ekanite
(Ca,Fe
2+
 
,Pb)
 
2
(Th,U)[Si
 
8
O
 
20
]
9.EA.15Apophyllite-(KF)
KCa
 
4
(Si
 
8
O
 
20
)(F,OH) · 8H
 
2
O
9.EA.15Apophyllite-(KOH)
KCa
 
4
(Si
 
8
O
 
20
)(OH,F) · 8H
 
2
O
9.EA.15Apophyllite-(NaF)
NaCa
 
4
(Si
 
8
O
 
20
)F · 8H
 
2
O
9.EA.20Magadiite
NaSi
 
7
O
 
13
(OH)
 
3
 · 3H
 
2
O
9.EA.25Dalyite
K
 
2
ZrSi
 
6
O
 
15
9.EA.25Davanite
K
 
2
TiSi
 
6
O
 
15
9.EA.30Sazhinite-(La)
Na
 
3
La[Si
 
6
O
 
15
] · 2H
 
2
O
9.EA.35Armstrongite
CaZr[Si
 
6
O
 
15
] · 3H
 
2
O
9.EA.40Okenite
CaSi
 
2
O
 
5
 · 2H
 
2
O
9.EA.45Nekoite
Ca
 
3
Si
 
6
O
 
15
·7H
 
2
O
9.EA.50Cavansite
Ca(VO)Si
 
4
O
 
10
 · 4H
 
2
O
9.EA.55Pentagonite
Ca(VO)Si
 
4
O
 
10
 · 4H
 
2
O
9.EA.60Penkvilksite
Na
 
4
Ti
 
2
Si
 
8
O
 
22
 · 4H
 
2
O
9.EA.60Tumchaite
Na
 
2
Zr(Si
 
4
O
 
11
) · 2H
 
2
O
9.EA.65Nabesite
Na
 
2
BeSi
 
4
O
 
10
 · 4H
 
2
O
9.EA.70Ajoite
(K,Na)Cu
 
7
AlSi
 
9
O
 
24
(OH)
 
6
 · 3H
 
2
O
9.EA.75Zeravshanite
Na
 
2
Cs
 
4
Zr
 
3
[Si
 
18
O
 
45
]*2H
 
2
O
9.EA.80Bussyite-(Ce)
(Ce,REE)
 
3
(Na,H
 
2
O)
 
6
MnSi
 
9
Be
 
5
(O,OH)
 
30
F
 
4
9.EA.85Plumbophyllite
Pb
 
2
Si
 
4
O
 
10
 · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
14.8.1Thalénite-(Y)
Y
 
3
(Si
 
3
O
 
10
)(OH)
14.8.2Keiviite-(Y)
(Y,Yb)
 
2
[Si
 
2
O
 
7
]
14.8.3Keiviite-(Yb)
(Yb,Y)
 
2
Si
 
2
O
 
7
14.8.4Tombarthite-(Y)
Y
 
4
(Si,H
 
4
)
 
4
O
 
12-x
(OH)
 
4+2x
14.8.5Thortveitite
(Sc,Y)
 
2
Si
 
2
O
 
7
14.8.7Monteregianite-(Y)
(Na,K)
 
6
(Y,Ca)
 
2
Si
 
16
O
 
38
 · 10H
 
2
O
14.8.8Iraqite-(La)
K(Ca,Na)
 
2
(La,Ce,Th)[(Si,Al)
 
8
O
 
20
]
14.8.9Ashcroftine-(Y)
K
 
5
Na
 
5
(Y,Ca)
 
12
Si
 
28
O
 
70
(OH)
 
2
(CO
 
3
)
 
8
 · 8H
 
2
O
14.8.10Nordite-(La)
(La,Ce)(Sr,Ca)Na
 
2
(Na,Mn)(Zn,Mg)Si
 
6
O
 
17
14.8.11Nordite-(Ce)
(Ce,La)(Sr,Ca)Na
 
2
(Na,Mn)(Zn,Mg)Si
 
6
O
 
17
14.8.12Jervisite
(Na,Ca,Fe
2+
 
)(Sc,Mg,Fe
2+
 
)Si
 
2
O
 
6
14.8.13Cerite-(Ce)
(Ce,Ca)
 
9
(Mg,Fe)(SiO
 
4
)
 
3
(HSiO
 
4
)
 
4
(OH)
 
3
14.8.14Cascandite
Ca(Sc,Fe
3+
 
)(HSi
 
3
O
 
9
)

Other Names for Sazhinite-(Ce)

Synonyms:
IMA1973-060
Other Languages:
Russian:Сажинит-(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 Sazhinite-(Ce)

Reference List:

- +
ESKOVA, E.M., SEMENOV, E.I., KHOMYAKOV, A.P., KAZAKOVA, M.E., and SHUMYATSKAYA, N.G. (1974) Sazhinite, a new Silicate of sodium and rare earths. Zapiski Vsesoyuznogo Mineralogicheskogo Obshestva, 103, 338-341. (in Russian). English abstract: American Mineralogist, 60, (1975) 162.
SHUMYATSKAYA, N.G., VORONKOV, A.A., and PYATENKO, Ya. A. (1980) Sazhinite, Na2Ce[Si6O14(OH)]•nH2O: a new representative of the dalyite family in chrystal chemistry. Soviet Physics, Crystallography, 25(44), 419-423.
HORVÁTH, L., and GAULT, R.G. (1990) The mineralogy of Mont Saint Hilaire. Mineralogical Record, 21, 284-359.
HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83-118.

Kristallografiya: 25: 728-734.

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    • Localities for Sazhinite-(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
        • Lajemmerais RCM
          • Varennes & St-Amable
            • Saint-Amable sill
    		Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
        • Rouville RCM
          • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Namibia
     
    • Khomas Region
      • Windhoek District
        • Aris
    		Wartha, R., Palfi, A., Niedermayr, G., Brandstätter, F. and Petersen, O. V. (2001): Der Aris-Phonolith-Komplex und seine Mineralien. In Bahmann, U. and A. (Eds.), Namibia – Zauberwelt edler Steine und Kristalle, Bode-Verlag, Haltern, Germany, pp. 172-179. (in German); Uwe Kolitsch (single-crystal X-ray diffraction + SEM-EDS); [http://www.koeln.netsurf.de/~w.steffens/aris.htm]
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Lovozero Massif
            • Karnasurt Mt
    		Mineralogical Record (2000): 31: 203.; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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