Khomyakov, A.P., Nechelyustov, G.N., Sokolova, E.A., Dorokhova, G.I. (1992) Quadruphite Na14CaMgTi4-[Si207]2[P04]404F2 and polyphite Na17Ca3Mg(Ti,Mn)4-[Si207]2[P04]602F6: New minerals of the lomonosovite group. Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva, 121(1), 105-112 (in Russian).

Classification of PolyphiteHide

Strunz-mindat (2026):

9.BE.47

9 : SILICATES (Germanates)
B : Sorosilicates
E : Si₂O₇ groups, with additional anions; cations in octahedral [6] and greater coordination

Dana 8th ed.:

56.4.1.2

56 : SOROSILICATES Si₂O₇ Groups, With Additional O, OH, F and H₂O
4 : Si₂O₇ Groups and O, OH, F, and H₂O with [Si₂O₇] with other cation groups

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference for Standard
Ppt	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of PolyphiteHide

Lustre:

Vitreous, Resinous, Pearly, Metallic

Transparency:

Translucent

Comment:

Vitreous and resinous on fractures, pearly to mirrorlike or metallic on cleavages.

Colour:

Light-brown

Streak:

White

Tenacity:

Brittle

Cleavage:

Perfect
Perfect {001} and less perfect {110} and {100}.

Fracture:

Step-Like

Density:

3.07 g/cm³ (Measured) 3.1 g/cm³ (Calculated)

Comment:

Calculated density from Sokolova et al. (2005).

Chemistry of PolyphiteHide

Mindat Formula:

Na₅(Na₄Ca₂)Ti₂(Si₂O₇)(PO₄)₃O₂F₂

Element Weights:

Element	% weight
O	37.090 %
Na	22.841 %
Ti	10.568 %
P	10.258 %
Ca	8.849 %
Si	6.201 %
F	4.195 %

Calculated from ideal end-member formula.

Elements listed:

Ca, F, Na, O, P, Si, Ti - search for minerals with similar chemistry

Common Impurities:

Sr,Ba,Fe,Zr,Nb

Crystallography of PolyphiteHide

Crystal System:

Triclinic

Class (H-M):

1 - Pedial

Space Group:

Cell Parameters:

a = 5.3933(2) Å, b = 7.0553(3) Å, c = 26.451(1) Å
α = 95.216(1)°, β = 93.49(1)°, γ = 90.101(1)°

Ratio:

a:b:c = 0.764 : 1 : 3.749

Unit Cell V:

1000.44 Å³

Comment:

Cell parameters from Sokolova et al. (2005).

Crystal StructureHide

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Unit Cell | Unit Cell Packed
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0006065	Polyphite	Sokolova E, Hawthorne F C, Khomyakov A P (2005) Polyphite and sobolevite: Revision of their crystal structures The Canadian Mineralogist 43 1527-1544		2005	Khibina-Lovozero alkaline complex, Kola peninsula, Russia	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Polyphite'
loop_
_publ_author_name
'Sokolova E'
'Hawthorne F C'
'Khomyakov A P'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 43 
_journal_year 2005
_journal_page_first 1527
_journal_page_last 1544
_publ_section_title
;
 Polyphite and sobolevite: Revision of their crystal structures
;
_database_code_amcsd 0006065
_chemical_compound_source 'Khibina-Lovozero alkaline complex, Kola peninsula, Russia'
_chemical_formula_sum 'Na8.74 Ca1.4 Mn.68 Sr.03 Mg.3 Ti1.41 Nb.19 Zr.185 Fe.065 P3 Si2 O21 F2'
_cell_length_a 5.3933
_cell_length_b 7.0553
_cell_length_c 26.451
_cell_angle_alpha 95.216
_cell_angle_beta 93.490
_cell_angle_gamma 90.101
_cell_volume 1000.443
_exptl_crystal_density_diffrn      3.097
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Na1   0.18080   0.66982   0.23045   1.00000   0.02700
Na2   0.62140   0.38767   0.21296   1.00000   0.02250
Na3   0.13240   0.38779   0.12660   1.00000   0.01950
Na4  -0.24270   0.88253  -0.00295   1.00000   0.01950
Na5   0.63730   0.91134   0.19672   1.00000   0.01890
CaA1   0.22160  -0.04447   0.35026   0.41000   0.01860
NaA1   0.22160  -0.04447   0.35026   0.36000   0.01860
MnA1   0.22160  -0.04447   0.35026   0.20000   0.01860
SrA1   0.22160  -0.04447   0.35026   0.03000   0.01860
NaA2   0.67082   0.17653   0.31741   0.55000   0.01100
MnA2   0.67082   0.17653   0.31741   0.23000   0.01100
MgA2   0.67082   0.17653   0.31741   0.17000   0.01100
CaA2   0.67082   0.17653   0.31741   0.05000   0.01100
NaA3   0.77837   0.76266   0.54343   0.66000   0.01490
CaA3   0.77837   0.76266   0.54343   0.21000   0.01490
MnA3   0.77837   0.76266   0.54343   0.13000   0.01490
NaA4   0.73596   0.46190   0.41983   0.55000   0.01420
CaA4   0.73596   0.46190   0.41983   0.35000   0.01420
MnA4   0.73596   0.46190   0.41983   0.10000   0.01420
NaA5   0.21592   0.43500   0.34468   0.80000   0.01700
CaA5   0.21592   0.43500   0.34468   0.20000   0.01700
NaA6   0.73870   0.98070   0.42440   0.82000   0.01980
CaA6   0.73870   0.98070   0.42440   0.18000   0.01980
TiM1   0.13165  -0.10753   0.11831   0.78000   0.00654
NbM1   0.13165  -0.10753   0.11831   0.19000   0.00654
ZrM1   0.13165  -0.10753   0.11831   0.03000   0.00654
TiM2   0.22811   0.61396   0.00406   0.63000   0.01124
ZrM2   0.22811   0.61396   0.00406   0.15500   0.01124
MgM2   0.22811   0.61396   0.00406   0.13000   0.01124
Fe2+M2   0.22811   0.61396   0.00406   0.06500   0.01124
MnM2   0.22811   0.61396   0.00406   0.02000   0.01124
P1   0.28000   0.73333   0.46176   1.00000   0.01095
P2   0.12365   0.15773   0.23490   1.00000   0.01146
P3   0.73298   0.68636   0.30796   1.00000   0.01209
Si1   0.63422   0.17405   0.09611   1.00000   0.00993
Si2   0.62121   0.60845   0.10685   1.00000   0.00866
O1   0.18020   0.54980   0.43195   1.00000   0.03030
O2   0.88260   0.08310   0.11853   1.00000   0.04580
O3   0.39270   0.07560   0.11318   1.00000   0.04960
O4   0.58230   0.59580   0.04495   1.00000   0.01390
O5   0.17890  -0.02580   0.20012   1.00000   0.01560
O6   0.62870   0.67950   0.25292   1.00000   0.02200
O7   0.01860   0.69350   0.30991   1.00000   0.02280
O8   0.63290   0.18100   0.03572   1.00000   0.01520
O9   0.07870   0.41050   0.03788   1.00000   0.01300
O10   0.63420   0.39090   0.12426   1.00000   0.01930
O11   0.56630   0.72950   0.46380   1.00000   0.02610
O12   0.11330  -0.17680   0.04920   1.00000   0.01690
O13   0.18870   0.33760   0.21064   1.00000   0.02280
O14   0.38450   0.69850   0.13465   1.00000   0.02340
O15   0.87440   0.70610   0.13204   1.00000   0.02510
O16   0.18920   0.90580   0.43481   1.00000   0.02590
O17   0.28040   0.15110   0.28513   1.00000   0.02520
O18   0.19170   0.74680   0.51586   1.00000   0.02440
O19  -0.15300   0.15540   0.24535   1.00000   0.03070
O20   0.65140   0.50810   0.33222   1.00000   0.03090
O21   0.63890   0.86450   0.33874   1.00000   0.03620
F1  -0.03600   0.20380   0.37737   1.00000   0.02120
F2   0.47060   0.21070   0.38948   1.00000   0.01770
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Na1 0.03670 0.01700 0.02800 0.00030 0.00540 0.00400
Na2 0.03110 0.01710 0.01850 0.00360 -0.00230 -0.00020
Na3 0.02180 0.02130 0.01520 0.00010 -0.00060 0.00260
Na4 0.01280 0.01520 0.02800 0.00320 -0.00700 -0.00640
Na5 0.02720 0.01290 0.01610 -0.00210 -0.00070 -0.00090
CaA1 0.02200 0.01720 0.01680 -0.00080 0.00230 0.00180
NaA1 0.02200 0.01720 0.01680 -0.00080 0.00230 0.00180
MnA1 0.02200 0.01720 0.01680 -0.00080 0.00230 0.00180
SrA1 0.02200 0.01720 0.01680 -0.00080 0.00230 0.00180
NaA2 0.01040 0.01350 0.00900 -0.00050 0.00020 0.00130
MnA2 0.01040 0.01350 0.00900 -0.00050 0.00020 0.00130
MgA2 0.01040 0.01350 0.00900 -0.00050 0.00020 0.00130
CaA2 0.01040 0.01350 0.00900 -0.00050 0.00020 0.00130
NaA3 0.01890 0.01390 0.01180 0.00280 0.00160 0.00030
CaA3 0.01890 0.01390 0.01180 0.00280 0.00160 0.00030
MnA3 0.01890 0.01390 0.01180 0.00280 0.00160 0.00030
NaA4 0.02210 0.01110 0.00880 -0.00220 -0.00250 0.00020
CaA4 0.02210 0.01110 0.00880 -0.00220 -0.00250 0.00020
MnA4 0.02210 0.01110 0.00880 -0.00220 -0.00250 0.00020
NaA5 0.01980 0.01510 0.01660 0.00230 0.00250 0.00340
CaA5 0.01980 0.01510 0.01660 0.00230 0.00250 0.00340
NaA6 0.02600 0.01690 0.01700 0.00030 0.00090 0.00390
CaA6 0.02600 0.01690 0.01700 0.00030 0.00090 0.00390
TiM1 0.00509 0.00571 0.00889 0.00019 0.00055 0.00093
NbM1 0.00509 0.00571 0.00889 0.00019 0.00055 0.00093
ZrM1 0.00509 0.00571 0.00889 0.00019 0.00055 0.00093
TiM2 0.01610 0.00950 0.00800 0.00279 -0.00034 0.00085
ZrM2 0.01610 0.00950 0.00800 0.00279 -0.00034 0.00085
MgM2 0.01610 0.00950 0.00800 0.00279 -0.00034 0.00085
Fe2+M2 0.01610 0.00950 0.00800 0.00279 -0.00034 0.00085
MnM2 0.01610 0.00950 0.00800 0.00279 -0.00034 0.00085
P1 0.01280 0.01030 0.00980 0.00010 0.00080 0.00120
P2 0.01310 0.01030 0.01090 0.00050 0.00080 0.00030
P3 0.01310 0.01290 0.01020 0.00100 0.00020 0.00120
Si1 0.01320 0.00770 0.00890 -0.00010 0.00010 0.00090
Si2 0.01110 0.00700 0.00770 0.00000 -0.00020 0.00040
O1 0.05080 0.02010 0.01880 -0.01570 0.00060 -0.00310
O2 0.05700 0.05070 0.02490 0.04390 -0.01670 -0.01050
O3 0.06050 0.05910 0.02840 -0.04960 0.01850 -0.01000
O4 0.02070 0.01330 0.00740 0.00020 -0.00010 0.00060
O5 0.02270 0.01210 0.01160 0.00330 -0.00030 0.00020
O6 0.03070 0.02040 0.01410 -0.00080 -0.00720 0.00230
O7 0.01440 0.02730 0.02720 0.00070 0.00040 0.00640
O8 0.01780 0.01870 0.00890 0.00000 0.00050 0.00070
O9 0.01800 0.01120 0.00990 -0.00010 0.00120 0.00180
O10 0.03940 0.00770 0.01090 0.00250 0.00110 0.00100
O11 0.01380 0.03410 0.03180 0.00170 0.00120 0.01010
O12 0.01570 0.02420 0.01040 -0.00240 0.00020 0.00080
O13 0.04130 0.01140 0.01580 -0.00480 0.00100 0.00310
O14 0.02360 0.03360 0.01250 0.01710 0.00070 -0.00050
O15 0.02600 0.03680 0.01210 -0.02120 0.00140 0.00080
O16 0.03840 0.02000 0.02080 0.01220 0.00300 0.00910
O17 0.03700 0.02470 0.01310 0.00370 -0.00490 0.00140
O18 0.03780 0.02500 0.01130 0.00210 0.00830 0.00210
O19 0.01650 0.02420 0.05030 -0.00020 0.00970 -0.00800
O20 0.03130 0.03430 0.03000 -0.00980 -0.00120 0.01990
O21 0.04280 0.03650 0.02540 0.02090 -0.00450 -0.01510
F1 0.01280 0.02450 0.02660 0.00140 0.00120 0.00340
F2 0.01350 0.02020 0.01910 0.00000 -0.00030 0.00040

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.937 Å	(100)
2.702 Å	(90)
2.659 Å	(80)
2.048 Å	(80b)
1.771 Å	(50b)
1.730 Å	(50)
4.37 Å	(40)

Locality:

Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia

Reference:

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of PolyphiteHide

Type Locality:

ⓘ Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia

General Appearance of Type Material:

Flakes on {001}, 1-2 mm thick and 3 mm across, grown epitaxially on lomonosovite and soboloveite.

Place of Conservation of Type Material:

A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, r545/4.

Geological Setting of Type Material:

Alkalic pegmatite.

Associated Minerals at Type Locality:

Reference:

Other Language Names for PolyphiteHide

Dutch:Polyphiet

German:Polyphit

Russian:Полифит

Spanish:Polyphita

Relationship of Polyphite to other SpeciesHide

Member of:

Lamprophyllite Group > Seidozerite Supergroup

Other Members of Lamprophyllite Group:

Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)	Mon.
Bornemanite	Na₆BaTi₂Nb(Si₂O₇)₂(PO₄)O₂(OH)F	Tric. 1 : P1
Delindeite	(Na,K)₂(Ba,Ca)₂(Ti,Fe,Al)₃(Si₂O₇)₂O₂(OH)₂ · 2H₂O	Mon. 2/m : B2/m
Emmerichite	Ba₂Na(Na,Fe²⁺)₂(Fe³⁺,Mg)Ti₂(Si₂O₇)₂O₂F₂	Mon. 2/m : B2/m
Epistolite	(Na◻)Nb₂Na₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₄	Tric. 1 : P1
Fluorbarytolamprophyllite	(Ba,Sr)₂[(Na,Fe²⁺)₃(Ti,Mg)F₂][Ti₂(Si₂O₇)₂O₂]	Mon. 2/m : B2/m
Fluorlamprophyllite	Na₃(SrNa)Ti₃(Si₂O₇)₂O₂F₂	Mon. 2/m : B2/m
Innelite	Ba₄Ti₂Na(NaMn²⁺)Ti(Si₂O₇)₂[(SO₄)(PO₄)]O₂[O(OH)]	Tric. 1 : P1
Kazanskyite	BaNa₃Ti₂Nb(Si₂O₇)₂O₂(OH)₂(H₂O)₄	Tric. 1 : P1
Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂	Mon. 2/m
Lileyite	Ba₂(Na,Fe,Ca)₃MgTi₂(Si₂O₇)₂O₂F₂	Mon. 2/m : B2/m
Nabalamprophyllite	(BaNa)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂	Mon. 2/m : P2/m
Nechelyustovite	(Ba,Sr,K)₂(Na,Ti,Mn)₄(Ti,Nb)₂(Si₂O₇)₂O₂(O,H₂O,F)₂ · 4.5H₂O	Mon. 2/m : B2/m
Phosphoinnelite	Na₃Ba₄Ti₃(Si₂O₇)₂(PO₄,SO₄)₂O₂F	Tric.
Saamite	Ba◻Na₃Ti₂Nb(Si₂O₇)₂O₂(OH)F(H₂O)₂	Tric. 1 : P1
Shkatulkalite	Na₂Nb₂Na₃Ti(Si₂O₇)₂O₂(FO)(H₂O)₄(H₂O)₃	Tric. 1 : P1
Vuonnemite	Na₁₁Ti⁴⁺Nb₂(Si₂O₇)₂(PO₄)₂O₃(F,OH)	Tric.
Zvyaginite	NaZnNb₂Ti[Si₂O₇]₂(OH,F)₃(H₂O)_4+x (x < 1)	Tric. 1 : P1

Common AssociatesHide

Associations Based on Photo Data:

1 photo of Polyphite associated with Sobolevite

Na₁₃Ca₂Mn₂Ti₃(Si₂O₇)₂(PO₄)₄O₃F₃

Related Minerals - Strunz-mindat Grouping Hide

9.BE.	Zinkgruvanite	Ba₄Mn²⁺₄Fe³⁺₂(Si₂O₇)₂(SO₄)₂O₂(OH)₂	Tric. 1 : P1
9.BE.	Calciomurmanite	(Na,◻)₂Ca(Ti,Mg,Nb)₄[Si₂O₇]₂O₂(OH,O)₂(H₂O)₄	Tric. 1 : P1
9.BE.	Cámaraite	Ba₃Na(Fe²⁺,Mn)₈Ti₄(Si₂O₇)₄O₄(OH,F)₇	Tric. 1
9.BE.	Alfredcasparite	Sr₂TiO(Si₂O₇)	Tet. 4mm : P4bm
9.BE.	Batievaite-(Y)	Y₂Ca₂Ti(Si₂O₇)₂(OH)₂(H₂O)₄	Tric. 1 : P1
9.BE.	Nacareniobsite-(Y)	Na₃Ca₃YNb(Si₂O₇)₂OF₃	Mon. 2/m : P2₁/b
9.BE.	Alexkuznetsovite-(Ce)	Ce₂Mn(CO₃)(Si₂O₇)	Mon. 2/m : P2₁/b
9.BE.	Bobshannonite	Na₂KBa(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂	Tric.
9.BE.	Paralomonosovite	Na₆◻₄Ti₄(Si₂O₇)₂[PO₃OH][PO₂(OH)₂]O₂(OF)	Tric. 1 : P1
9.BE.	Madeiraite	Na₂Ca₂Fe₂Zr₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
9.BE.	Bortolanite	Ca₂(Ca_1.5Zr_0.5)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂	Tric. 1 : P1
9.BE.	Longshoushanite-(Ce)	Ce₄MgAl₂Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.	Moxuanxueite	NaCa₆Zr(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.	Delhuyarite-(Ce)	Ce₄Mg(Fe³⁺,W)₃◻(Si₂O₇)₂O₆(OH)₂	Mon. 2/m : B2/m
9.BE.	Christofschäferite-(Ce)	Ce₃CaMnTiFe³⁺Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/m
9.BE.X	Asimowite	Fe²⁺₄O(Si₂O₇)	Orth. mmm(2/m2/m2/m) : Imma
9.BE.	Biraite-(La)	La₂Fe²⁺(CO₃)(Si₂O₇)	Mon. 2/m : P2₁/b
9.BE.	Pilanesbergite	Na₂Ca₂Fe₂Ti₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
9.BE.02	Wadsleyite	Mg₄O(Si₂O₇)	Orth. mmm(2/m2/m2/m) : Imma
9.BE.02	Ohtaniite	Mg₃(Si_0.5◻_0.5)Si₂O₈	Orth. mmm(2/m2/m2/m) : Imma
9.BE.05	Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm(2/m2/m2/m) : Cmcm
9.BE.05	Hennomartinite	SrMn³⁺₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm(2/m2/m2/m) : Cmcm
9.BE.05	Cortesognoite	CaV₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm(2/m2/m2/m) : Cmcm
9.BE.05	Noelbensonite	BaMn³⁺₂(Si₂O₇)(OH)₂ · H₂O	Orth. mm2
9.BE.05	Itoigawaite	SrAl₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm(2/m2/m2/m) : Cmcm
9.BE.07	Ilvaite	CaFe³⁺Fe²⁺₂(Si₂O₇)O(OH)	Orth. mmm(2/m2/m2/m)
9.BE.07	Amamoorite	CaMn²⁺₂Mn³⁺(Si₂O₇)O(OH)	Mon. 2/m : P2₁/b
9.BE.07	Manganilvaite	CaFe²⁺Fe³⁺Mn²⁺(Si₂O₇)O(OH)	Mon. 2/m : P2₁/b
9.BE.10	Suolunite	Ca₂(H₂Si₂O₇) · H₂O	Orth. mm2 : Fdd2
9.BE.12	Jaffeite	Ca₆(Si₂O₇)(OH)₆	Trig. 3 : P3
9.BE.15	Fresnoite	Ba₂Ti(Si₂O₇)O	Tet. 4mm : P4bm
9.BE.17	Janhaugite	(Na,Ca)₃(Mn²⁺,Fe²⁺)₃(Ti,Zr,Nb)₂(Si₂O₇)₂O₂(OH,F)₂	Mon. 2/m : P2₁/m
9.BE.17	Burpalite	Na₂CaZr(Si₂O₇)F₂	Mon. 2/m : P2₁/b
9.BE.17	Niocalite	(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂	Mon. m
9.BE.17	Normandite	NaCa(Mn,Fe)(Ti,Nb,Zr)(Si₂O₇)OF	Mon. 2/m : P2₁/b
9.BE.17	Hiortdahlite	Na₂Ca₄(Ca_0.5Zr_0.5)Zr(Si₂O₇)2OF₃	Tric. 1 : P1
9.BE.17	Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
9.BE.17	Cuspidine	Ca₈(Si₂O₇)₂F₄	Mon. 2/m : P2₁/b
9.BE.17	Wöhlerite	Na₂Ca₄ZrNb(Si₂O₇)₂O₃F	Mon. 2 : P2₁
9.BE.17	Baghdadite	Ca₆Zr₂(Si₂O₇)₂O₄	Mon. 2/m : P2₁/b
9.BE.20	Nacareniobsite-(Ce)	Na₃Ca₃(Ce,REE)Nb(Si₂O₇)₂OF₃	Mon. 2/m : P2₁/b
9.BE.20	Roumaite	(Ca,Na,REE,◻)₇(Nb,Ti)[Si₂O₇]₂OF₃	Mon. m : Bb
9.BE.20	Rinkite-(Ce)	(Ca₃Ce)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂	Mon. 2/m : P2₁/b
9.BE.20	Nacareniobsite-(Nd)	Ca₂(CaNd)Na₃Nb(Si₂O₇)₂(OF)F₂	Mon. 2/m : P2₁/b
9.BE.20	Rinkite-(Y)	Na₂Ca₄YTi(Si₂O₇)₂OF₃	Mon. 2/m : P2₁/b
9.BE.20	Mosandrite-(Ce)	(Ca₃REE)[(H₂O)₂Ca_0.5◻_0.5]Ti(Si₂O₇)₂(OH)₂(H₂O)₂	Mon. 2/m : P2₁/b
9.BE.22	Hainite-(Y)	Na₂Ca₄(Y,REE)Ti(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.22	Rosenbuschite	Na₆Ca₆Zr₃Ti(Si₂O₇)₄O₂F₆	Tric. 1 : P1
9.BE.22	Götzenite	NaCa₆Ti(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.22	Fogoite-(Y)	Na₃Ca₂Y₂Ti(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.22	Kochite	Na₃Ca₂MnZrTi(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.23	Dovyrenite	Ca₆Zr(Si₂O₇)₂(OH)₄	Orth. mmm(2/m2/m2/m) : Pnnm
9.BE.25	Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂	Mon. 2/m
9.BE.25	Seidozerite	Na₄MnZr₂Ti(Si₂O₇)₂O₂F₂	Mon. 2/m : P2/b
9.BE.25	Nabalamprophyllite	(BaNa)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂	Mon. 2/m : P2/m
9.BE.25	Schüllerite	Ba₂Na(Mn,Ca)(Fe³⁺,Mg,Fe²⁺)₂Ti₂(Si₂O₇)₂(O,F)₄	Tric. 1 : P1
9.BE.25	Ericssonite	BaMn²⁺₂Fe³⁺(Si₂O₇)O(OH)	Mon. 2/m : B2/m
9.BE.25	Grenmarite	Na₄MnZr₃(Si₂O₇)₂O₂F₂	Mon. 2/m : P2/b
9.BE.25	Kazanskyite	BaNa₃Ti₂Nb(Si₂O₇)₂O₂(OH)₂(H₂O)₄	Tric. 1 : P1
9.BE.25	Saamite	Ba◻Na₃Ti₂Nb(Si₂O₇)₂O₂(OH)F(H₂O)₂	Tric. 1 : P1
9.BE.25	Emmerichite	Ba₂Na(Na,Fe²⁺)₂(Fe³⁺,Mg)Ti₂(Si₂O₇)₂O₂F₂	Mon. 2/m : B2/m
9.BE.25	Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)	Mon.
9.BE.25	'Ericssonite-2O'	BaMn²⁺₂Fe³⁺(Si₂O₇)O(OH)	Orth.
9.BE.25	Fluorbarytolamprophyllite	(Ba,Sr)₂[(Na,Fe²⁺)₃(Ti,Mg)F₂][Ti₂(Si₂O₇)₂O₂]	Mon. 2/m : B2/m
9.BE.25	Fluorlamprophyllite	Na₃(SrNa)Ti₃(Si₂O₇)₂O₂F₂	Mon. 2/m : B2/m
9.BE.25	Lileyite	Ba₂(Na,Fe,Ca)₃MgTi₂(Si₂O₇)₂O₂F₂	Mon. 2/m : B2/m
9.BE.27	Kolskyite	CaNa₂Ti₄(Si₂O₇)₂O₄(H₂O)₇	Tric. 1 : P1
9.BE.27	Vigrishinite	NaZnTi₄(Si₂O₇)₂O₃(OH)(H₂O)₄	Tric. 1 : P1
9.BE.27	Selivanovaite	NaFe³⁺Ti₄(Si₂O₇)₂O₄(H₂O)₄	Tric. 1 : P1
9.BE.27	Murmanite	Na₂Ti₂(Si₂O₇)O₂ · 2H₂O	Tric. 1 : P1
9.BE.30	Epistolite	(Na◻)Nb₂Na₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₄	Tric. 1 : P1
9.BE.32	Lomonosovite	Na₅Ti₂(Si₂O₇)(PO₄)O₂	Tric. 1 : P1
9.BE.35	Vuonnemite	Na₁₁Ti⁴⁺Nb₂(Si₂O₇)₂(PO₄)₂O₃(F,OH)	Tric.
9.BE.37	Sobolevite	Na₁₃Ca₂Mn₂Ti₃(Si₂O₇)₂(PO₄)₄O₃F₃	Mon. m : Pb
9.BE.40	Ferroinnelite	Ba₄Ti₂Na(NaFe²⁺)Ti(Si₂O₇)₂[(SO₄)(PO₄)]O₂[O(OH)]	Tric. 1 : P1
9.BE.40	Phosphoinnelite	Na₃Ba₄Ti₃(Si₂O₇)₂(PO₄,SO₄)₂O₂F	Tric.
9.BE.40	Innelite	Ba₄Ti₂Na(NaMn²⁺)Ti(Si₂O₇)₂[(SO₄)(PO₄)]O₂[O(OH)]	Tric. 1 : P1
9.BE.42	Yoshimuraite	Ba₂Mn₂Ti(Si₂O₇)(PO₄)O(OH)	Tric. 1 : P1
9.BE.42	Horiite	Ba₂Mn₂Mn₄Ti₂(Si₂O₇)₂(PO₄)₂O₂(OH)₂	Tric. 1 : P1
9.BE.45	Quadruphite	Na₆Na₂(CaNa)₂Na₂Ti₂Na₂Ti₂(Si₂O₇)₂(PO₄)₄O₄F₂	Tric. 1 : P1
9.BE.50	Shkatulkalite	Na₂Nb₂Na₃Ti(Si₂O₇)₂O₂(FO)(H₂O)₄(H₂O)₃	Tric. 1 : P1
9.BE.50	Bornemanite	Na₆BaTi₂Nb(Si₂O₇)₂(PO₄)O₂(OH)F	Tric. 1 : P1
9.BE.55	Hejtmanite	Ba₂Mn²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂	Tric. 1
9.BE.55	Bykovaite	(Ba,Na,K)₂(Na,Ti,Mn)₄(Ti,Nb)₂(Si₂O₇)₂O₂(H₂O,F,OH)₂ · 3.5H₂O	Mon. 2/m
9.BE.55	Nechelyustovite	(Ba,Sr,K)₂(Na,Ti,Mn)₄(Ti,Nb)₂(Si₂O₇)₂O₂(O,H₂O,F)₂ · 4.5H₂O	Mon. 2/m : B2/m
9.BE.55	Bafertisite	Ba₂Fe²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂	Tric.
9.BE.60	Delindeite	(Na,K)₂(Ba,Ca)₂(Ti,Fe,Al)₃(Si₂O₇)₂O₂(OH)₂ · 2H₂O	Mon. 2/m : B2/m
9.BE.62	'Orthochevkinite'	(Ce,La,Ca,Na,Th)₄(Fe²⁺,Mg)₂(Ti,Fe³⁺)₃Si₄O₂₂	Orth.
9.BE.62 va	'Strontium Perrierite'	(Ce,Sr,La,Ca)₄Fe²⁺(Ti,Zr,Fe)₂Ti₂(Si₂O₇)₂O₈
9.BE.62	'Chevkinite-(Nd)'	(Nd,REE)₄(Fe²⁺,Mg)(Fe²⁺,Ti,Fe³⁺)₂(Ti,Fe³⁺)₂(Si₂O₇)₂O₈ ?
9.BE.62	'Perrierite-(Nd)'	Nd₄MgFe³⁺₂Ti₂(Si₂O₇)₂O₈ ?
9.BE.65	Bussenite	Na₂Ba₂Fe²⁺Ti(Si₂O₇)(CO₃)(OH)₃F	Tric. 1 : P1
9.BE.67	Jinshajiangite	BaNaFe²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F	Tric. 1 : P1
9.BE.67	Perraultite	BaNaMn²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F	Tric. 1
9.BE.70	Dingdaohengite-(Ce)	(Ce,La)₄Fe²⁺(Ti,Fe²⁺,Mg,Fe³⁺)₂Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.70	Perrierite-(Ce)	Ce₄MgFe³⁺₂Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.70	Karnasurtite-(Ce)	(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si₂O₇)(OH)₄ · 3H₂O	Amor.
9.BE.70	Maoniupingite-(Ce)	(Ce,Ca)₄(Fe³⁺,Ti,Fe²⁺,◻)(Ti,Fe³⁺,Fe²⁺,Nb)₄(Si₂O₇)₂O₈	Mon. 2/m : B2/m
9.BE.70	Matsubaraite	Sr₄Ti₅(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.70	Rengeite	Sr₄ZrTi₄(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.70	Polyakovite-(Ce)	(Ce,Ca)₄(Mg,Fe²⁺)(Cr³⁺,Fe³⁺)₂(Ti,Nb)₂(Si₂O₇)₂O₈	Mon. 2/m : B2/m
9.BE.70	Hezuolinite	(Sr,REE)₄Zr(Ti,Fe³⁺)₄(Si₂O₇)₂O₈	Mon. 2/m : B2/m
9.BE.70	'UM2008-53-SiO:SrTiZr'	Sr₄ZrTi₄(Si₂O₇)₂O₈	Orth. mmm(2/m2/m2/m) : Pbca
9.BE.70	Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂	Mon. 2/m : P2₁/b
9.BE.70	Perrierite-(La)	(La,Ce,Ca)₄(Fe²⁺,Mn)(Ti,Fe³⁺,Al)₄[(Si₂O₇)O₄]₂	Mon. 2/m : P2₁/b
9.BE.70	Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.72	Fersmanite	Ca₄(Na,Ca)₄(Ti,Nb)₄(Si₂O₇)₂O₈F₃	Tric.
9.BE.75	Belkovite	Ba₃(Nb,Ti)₆(Si₂O₇)₂O₁₂	Hex. 6m2 : P62m
9.BE.77	Nasonite	Pb₆Ca₄(Si₂O₇)₃Cl₂	Hex. 6/m : P6₃/m
9.BE.80	Melanotekite	Pb₂Fe³⁺₂(Si₂O₇)O₂	Orth. 222 : C222₁
9.BE.80	Kentrolite	Pb₂Mn³⁺₂(Si₂O₇)O₂	Orth. mmm(2/m2/m2/m) : Pbcm
9.BE.82	Alexkuznetsovite-(La)	La₂Mn(CO₃)(Si₂O₇)	Mon. 2/m : P2₁/b
9.BE.82	Tilleyite	Ca₅(Si₂O₇)(CO₃)₂	Mon. 2/m : P2₁/b
9.BE.85	Killalaite	Ca_6.4(H_0.6Si₂O₇)₂(OH)₂	Mon. 2/m : P2₁/m
9.BE.87	Stavelotite-(La)	(La,Nd,Ca)₃Mn²⁺₃Cu(Mn³⁺,Fe³⁺,Mn⁴⁺)₂₆(Si₂O₇)₆O₃₀	Trig. 3 : P3₁
9.BE.90	Magnesiorowlandite-(Y)	Y₄(Mg,Fe)(Si₂O₇)₂F₂	Tric. 1 : P1
9.BE.90	Biraite-(Ce)	Ce₂Fe²⁺(Si₂O₇)(CO₃)	Mon. 2/m : P2₁/b
9.BE.92	Cervandonite-(Ce)	(Ce,Nd,La)(Fe³⁺,Fe²⁺,Ti,Al)₃O₂(Si₂O₇)(As³⁺O₃)(OH)	Trig. 3m : R3m
9.BE.92	Chirvinskyite	(Na,Ca)₁₃(Fe,Mn,◻)₂(Ti,Zr)₅(Si₂O₇)₄(OH,O)₁₂ · 2H₂O	Tric. 1 : P1
9.BE.95	Rusinovite	Ca₁₀(Si₂O₇)₃Cl₂	Orth. mmm(2/m2/m2/m) : Cmcm
9.BE.95	Batisivite	BaV³⁺₈Ti₆(Si₂O₇)O₂₂	Tric. 1 : P1
9.BE.97	Schlüterite-(Y)	(Y,REE)₂AlSi₂O₇(OH)₂F	Mon. 2/m : P2₁/b

Fluorescence of PolyphiteHide

In UV light:

Not fluorescent

Other InformationHide

Notes:

Dissolves easily in HCl.

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 PolyphiteHide

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Raman and XRD data at RRUFF project

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Handbook of Mineralogy page PDF

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References for PolyphiteHide

Reference List:

Doklady Akademiia Nauk, SSSR (USSR)(1987): 294: 357.

Mineralogicheskiy Zhurnal (1987): 9(3): 28.

Sokolova, E.V., Egorov-Tismenko, Y.K., Khomyakov, A.P. (1987) Crystal structure of Na17Ca3Mg(Ti,Mn)4[Si2O7]2[PO4]6O2F6, a new representative of the family of layered titanium silicates. Soviet Physics - Doklady, 32, 344-347.

Jambor, John L., Vanko, David A. (1993) New Mineral Names. American Mineralogist, 78 (11-12) 1314-1319

Mandarino, Joseph A. (1997) New Minerals 1990-1994. The Mineralogical Record Inc., Tuscon, Arizona. 220pp.

(2001) Polyphite. Handbook of Mineralogy. Mineralogical Society of America

Sokolova, E., Hawthorne, F. C., Khomyakov, A. P. (2005) Polyphite and sobolevite: revision of their crystal structures. The Canadian Mineralogist, 43 (5) 1527-1544 doi:10.2113/gscanmin.43.5.1527

Sokolova, E. (2006) From structure topology to chemical composition. I. Structural hierarchy and stereochemistry in titanium disilicate minerals. The Canadian Mineralogist, 44 (6) 1273-1330 doi:10.2113/gscanmin.44.6.1273

Localities for PolyphiteHide

Showing 1 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

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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.

Russia (TL)

Murmansk Oblast

Lovozersky District

ⓘ Alluaiv Mountain (TL)

Khomyakov et al. (1992) +2 other references

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Albite	Analcime	Arfvedsonite	'Belovite'	Eudialyte
K Feldspar	Kazakovite	Lamprophyllite	Lintisite	Lomonosovite
Loparite	Lorenzenite	Makatite	Nepheline	Neptunite
Parakeldyshite	Serandite	Sobolevite	Sodalite	Terskite
Ussingite	Villiaumite	Vuonnemite	Zirsinalite

Polyphite

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