Mineralogy Database

Labyrinthite Mineral Data

Search Webmineral :

General Labyrinthite Information

Help on Chemical  Formula: Chemical Formula: (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3
Help on Composition: Composition: Molecular Weight = 6,108.05 gm
   Potassium   0.93 %  K     1.12 % K2O
   Sodium     12.53 %  Na   16.89 % Na2O
   Strontium   1.06 %  Sr    1.26 % SrO
   Calcium     7.72 %  Ca   10.81 % CaO
   Cerium      0.23 %  Ce    0.27 % Ce2O3
   Zirconium   8.87 %  Zr   11.98 % ZrO2
   Titanium    0.41 %  Ti    0.68 % TiO2
   Manganese   0.78 %  Mn    1.01 % MnO
   Iron        2.00 %  Fe    2.58 % FeO
   Silicon    23.57 %  Si   50.42 % SiO2
   Hydrogen    0.18 %  H     1.59 % H2O
   Chlorine    1.71 %  Cl    1.71 % Cl
                -   %   Cl   -0.39 % -O=Cl2   
   Oxygen     39.89 %  O
   Fluorine    0.11 %  F     0.11 % F
                -   %   F    -0.05 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na33.3K1.45Sr0.74Ca11.77Ce0.1Fe2+2.19Mn2+0.87Zr5.94Ti0.52Si0.26Si51O144.48(OH)4.8 Cl2.95F0.36�3(H2O)
Help on Environment: Environment: Discovered in pegmatoid alkaline rocks intersected by drilling. Eudialyte group; structure determined.
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Nyorkpakh Mt., Khibiny alkaline massif, Kola Peninsula, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The mineral name alludes to its very complex (labyrinthine) structure.
Help on Synonym: Synonym: IMA2002-065

Labyrinthite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image


Comments: Rose-colored crystal fragment of labyrinthite.
Location: Koashva Mt., Khibiny Massif, Kola Peninsula, Russia. Scale: Crystal Size 3 mm.
© Sergey Vasiliev / Systematic Mineralogy

Labyrinthite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:4.26525
Help on Cell Dimensions: Cell Dimensions: a = 14.239, c = 60.733, Z = 3; V = 10,663.86 Den(Calc)= 2.85
Help on Crystal System: Crystal System: Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.977(1)(1.3.10), 2.853(0.88)(048 ), 4.324(0.68)(0.2.10),3.23(0.44)(0.2.16), 3.55(0.39)(220 ), 2.685(0.38)(140 ), 2.605(0.36)(0.3.18), 3.049(0.36)(1.1.18), 3.173(0.34)(1.2.14),

Physical Properties of Labyrinthite

Help on Color: Color: Vivid pink.
Help on Density: Density: 2.88
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Labyrinthite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2102,KPDmeas= 0.208,KC= 0.2097
Ncalc = 1.6
Help on Optical Data: Optical Data: Uniaxial (+), w=1.597, e=1.601, bire=0.0040.

Calculated Properties of Labyrinthite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.79 gm/cc
note: Specific Gravity of Labyrinthite =2.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PELabyrinthite = 17.01 barns/electron
U=PELabyrinthite x relectron= 47.48 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 252.77 (Gamma Ray American Petroleum Institute Units)
Concentration of Labyrinthite per GRapi unit = 0.40 (%)

Estimated Radioactivity from Labyrinthite - barely detectable


Labyrinthite Classification

Help on  Dana Class: Dana Class: (64)Cyclosilicates
  (64.01)Cyclosilicate Rings with Other Anions and Insular Silicate Groups with mixed ring types
  (64.01.01)Eudialyte Group Eudialyte Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2(?) R 3m 3 2/m Alluaivite Na19(Ca,Mn)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl•2(H2O) R 3m 3 2/m Kentbrooksite! (Na,REE)15(Ca,REE)6MnZr3NbSi25O74F2•2(H2O) R 3m 3m Khomyakovite! Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m Manganokhomyakovite! Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m Oneillite! Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3 3 Ferrokentbrooksite! Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 R 3m 3m Ikranite! (Na,H3O)15(Ca,Mn,REE)6Fe2Zr3([],Zr)([],Si)Si24O66(O,OH)6Cl•2-3H2O R 3m 3m Feklichevite! Na11Ca9(Fe,Fe)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 R 3m 3m Rastsvetaevite! Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 R 3m 3m Taseqite! Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 R 3m 3m Carbokentbrooksite! (Na,[])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m Zirsilite-(Ce)! (Na,[])12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m Labyrinthite! (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 R 3m 3m Aqualite! (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl R 3m 3m Raslakite! Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) R 3m 3m Georgbarsanovite! Na12(Mn,Sr,REE)3Ca6Fe3Zr3NbSi25O76Cl2•H2O R 3m 3m Johnsenite-(Ce)! Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(CO3)(OH,Cl)2 R 3m 3m Golyshevite! (Na,Ca)10Ca9(Fe,Fe)2Zr3NbSi25O72(CO3)(OH)3•H2O R 3m 3m Mogovidite! Na9(Ca,Na)6Ca6Fe2Zr3[]Si25O72(CO3)(OH)4 R 3m 3m Dualite! Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 R 3m 3m Voronkovite! Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl•H2O R 3 3
Help on  Strunz Class: Strunz Class: 09.CO.10 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CO -[Si9O27]18- 9-membered rings
09.CO.10 Alluaivite Na19(Ca,Mn)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl•2(H2O) R 3m 3 2/m
09.CO.10 Eudialyte Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2(?) R 3m 3 2/m
09.CO.10 Kentbrooksite! (Na,REE)15(Ca,REE)6MnZr3NbSi25O74F2•2(H2O) R 3m 3m
09.CO.10 Labyrinthite! (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 R 3m 3m
09.CO.10 Carbokentbrooksite! (Na,[])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m
09.CO.10 Zirsilite-(Ce)! (Na,[])12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m
09.CO.10 Mogovidite! Na9(Ca,Na)6Ca6Fe2Zr3[]Si25O72(CO3)(OH)4 R 3m 3m
09.CO.10 Voronkovite! Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl•H2O R 3 3
09.CO.10 Taseqite! Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 R 3m 3m
09.CO.10 Aqualite! (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl R 3m 3m
09.CO.10 Raslakite! Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) R 3m 3m
09.CO.10 Feklichevite! Na11Ca9(Fe,Fe)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 R 3m 3m
09.CO.10 Ikranite! (Na,H3O)15(Ca,Mn,REE)6Fe2Zr3([],Zr)([],Si)Si24O66(O,OH)6Cl•2-3H2O R 3m 3m
09.CO.10 Khomyakovite! Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m
09.CO.10 Manganokhomyakovite! Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m
09.CO.10 Oneillite! Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3 3
09.CO.10 Ferrokentbrooksite! Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 R 3m 3m
09.CO.10 Rastsvetaevite! Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 R 3m 3m
09.CO.10 Johnsenite-(Ce)! Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(CO3)(OH,Cl)2 R 3m 3m
09.CO.10 Georgbarsanovite! Na12(Mn,Sr,REE)3Ca6Fe3Zr3NbSi25O76Cl2•H2O R 3m 3m
09.CO.10 Golyshevite! (Na,Ca)10Ca9(Fe,Fe)2Zr3NbSi25O72(CO3)(OH)3•H2O R 3m 3m
09.CO.10 Dualite! Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 R 3m 3m

Other Labyrinthite Information

Help on References: References: NAME( AmMin, v93:703) PHYS. PROP.(AmMin, v93:703) OPTIC PROP.(AmMin, v93:703)
Help on See Also: See Also: Links to other databases for Labyrinthite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Labyrinthite using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Labyrinthite :

Ask about Labyrinthite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Labyrinthite Specimen Label here :


Dana No: Strunz No: 09.CO.10





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.