Raslakite Mineral Data (original) (raw)

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General Raslakite Information
Help on Chemical Formula: Chemical Formula: Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH)
Help on Composition: Composition: Molecular Weight = 2,774.01 gm
Sodium 15.03 % Na 20.25 % Na2O
Calcium 4.48 % Ca 6.27 % CaO
Zirconium 2.47 % Zr 3.33 % ZrO2
Niobium 0.84 % Nb 1.20 % Nb2O5
Iron 6.04 % Fe 7.77 % FeO
Silicon 26.07 % Si 55.77 % SiO2
Hydrogen 0.15 % H 1.30 % H2O
Chlorine 0.96 % Cl 0.96 % Cl
- % Cl -0.22 % -O=Cl2
Oxygen 43.98 % O
______ ______
100.00 % 96.63 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na15.88Ca3.1Fe2+3Na2.25Zr0.75Si0.75Nb0.25Si25O73(OH)2.25(H2O)0.75Cl0.75(OH)0.25
Help on Environment: Environment: Found in perialkaline pegmatites. Eudialyte group; structure determined
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Mount Karnasurt, Lovozwro alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Raslak cirques near Mount Kedykverpakhk.
Help on Synonym: Synonym: IMA2002-067
Raslakite Image
Click Here for Larger Raslakite Image in a New Browser Window Images: Click Here for Larger Raslakite Image Raslakite Comments: Orange-red raslakite grain in nepheline-syenite. Part of cotype specimen. Location: Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia.Scale: FOV is 12x10 mm. © Pavel M. Kartashov
Raslakite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.1097
Help on Cell Dimensions: Cell Dimensions: a = 14.229, c = 30.019, Z = 3; V = 5,263.51 Den(Calc)= 2.63
Help on Crystal System: Crystal System: Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.853(1)(404), 2.974(0.86)(315), 4.311(0.66)(205),3.209(0.58)(208), 3.023(0.4)(119), 4.095(0.37)(116), 5.72(0.35)(202), 2.592(0.34)(039), 11.48(0.33),
Click Here for Large Raslakite Structure Window Crystal Structure: Mouse drag1 - LMB Manipulate Structuredrag2 - RMB Resize/Rotate Keyboard S - Stereo Pair on/offH - Help ScreenI - Data InfoA - Atoms On/OffP - Polyhedra On/OffB - Bonds On/Off Help on Above Ekimenkova I A , Rastsvetaeva R K , Chukanov N V , Doklady Chemistry , 374 (2000) p.195-198, Ordering of calcium and iron in a mineral of the eudialyte group with the symmetry R3, Locality: Lovozero massif, Kola Peninsula, Russia
Physical Properties of Raslakite
Help on Cleavage: Cleavage: None
Help on Color: Color: Brownish red.
Help on Density: Density: 2.95
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 Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
Optical Properties of Raslakite
Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.033 (Excellent) - where the CI = (1-KPDmeas/KC)CI calc= -0.159 (Poor) - where the CI = (1-KPDcalc/KC)KPDcalc= 0.2317,KPDmeas= 0.2066,KC= 0.1999Ncalc = 1.53 - 1.59
Help on Optical Data: Optical Data: Uniaxial (+), w=1.608, e=1.611, bire=0.0030.
Calculated Properties of Raslakite
Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.91 gm/ccnote: Specific Gravity of Raslakite =2.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01Boson Index = 0.99
Help on Photoelectric: Photoelectric: PERaslakite = 8.08 barns/electronU=PERaslakite x rElectron Density= 23.48 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)Raslakite is Not Radioactive
Raslakite Classification
Help on Dana Class: Dana Class: 64.01.01.16 (64)Cyclosilicates
(64.01)Cyclosilicate Rings with Other Anions and Insular Silicate Groups with mixed ring types
(64.01.01)Eudialyte Group
64.01.01.01 Eudialyte Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2(?) R 3m 3 2/m
64.01.01.02 Alluaivite Na19(Ca,Mn)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl•2(H2O) R 3m 3 2/m
64.01.01.03 Kentbrooksite! (Na,REE)15(Ca,REE)6MnZr3NbSi25O74F2•2(H2O) R 3m 3m
64.01.01.04 Khomyakovite! Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m
64.01.01.05 Manganokhomyakovite! Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m
64.01.01.06 Oneillite! Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3 3
64.01.01.07 Ferrokentbrooksite! Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 R 3m 3m
64.01.01.08 Ikranite! (Na,H3O)15(Ca,Mn,REE)6Fe2Zr3([],Zr)([],Si)Si24O66(O,OH)6Cl•2-3H2O R 3m 3m
64.01.01.09 Feklichevite! Na11Ca9(Fe,Fe)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 R 3m 3m
64.01.01.10 Rastsvetaevite! Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 R 3m 3m
64.01.01.11 Taseqite! Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 R 3m 3m
64.01.01.12 Carbokentbrooksite! (Na,[])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m
64.01.01.13 Zirsilite-(Ce)! (Na,[])12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m
64.01.01.14 Labyrinthite! (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 R 3m 3m
64.01.01.15 Aqualite! (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl R 3m 3m
64.01.01.16 Raslakite! Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) R 3m 3m
64.01.01.17 Georgbarsanovite! Na12(Mn,Sr,REE)3Ca6Fe3Zr3NbSi25O76Cl2•H2O R 3m 3m
64.01.01.18 Johnsenite-(Ce)! Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(CO3)(OH,Cl)2 R 3m 3m
64.01.01.19 Golyshevite! (Na,Ca)10Ca9(Fe,Fe)2Zr3NbSi25O72(CO3)(OH)3•H2O R 3m 3m
64.01.01.20 Mogovidite! Na9(Ca,Na)6Ca6Fe2Zr3[]Si25O72(CO3)(OH)4 R 3m 3m
64.01.01.21 Dualite! Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 R 3m 3m
64.01.01.22 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 Raslakite Information
Help on References: References: NAME( CanMin, v 42, p 932) PHYS. PROP.(CanMin, v 42, p 932) OPTIC PROP.(CanMin, v 42, p 932)
Help on See Also: See Also: Links to other databases for Raslakite :1 - Am. Min. Crystal Structure Database2 - Athena3 - GeoScienceWorld4 - Google Images5 - Google Scholar6 - MinDAT7 - Mineralienatlas (Deutsch)8 - Online Mineral Museum9 - QUT Mineral Atlas10 - Ruff.Info Search for Raslakite using: [AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]Visit our Advertisers for Raslakite : A Bijoux Google Search for Raslakite Adam's Minerals Google Search for Raslakite Cape Minerals Google Search for Raslakite Dakota Matrix Minerals Google Search for Raslakite Excalibur Mineral Corp. Google Search for Raslakite Exceptional Minerals Google Search for Raslakite John Betts Fine Minerals Search for Raslakite McDougall Minerals Google Search for Raslakite Mineral News Website Link Rock and Mineral Shows Google Search for Raslakite Weinrich Minerals, Inc. Google Search for Raslakite Ask about Raslakite 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 Espa�ol Print or Cut-and-Paste your Raslakite Specimen Label here : Raslakite Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) Dana No: 64.01.01.16 Strunz No: 09.CO.10 Locality: Notes: