General Alluaivite Information
|
Chemical Formula: |
Na19(Ca,Mn++)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl·2(H2O) |
Composition: |
Molecular Weight = 2,169.25 gm |
| |
Sodium 20.14 % Na 27.14 % Na2O |
| |
Calcium 8.31 % Ca 11.63 % CaO |
| |
Titanium 4.97 % Ti 8.29 % TiO2 |
| |
Manganese 3.80 % Mn 4.91 % MnO |
| |
Niobium 3.21 % Nb 4.60 % Nb2O5 |
| |
Silicon 20.72 % Si 44.32 % SiO2 |
| |
Hydrogen 0.19 % H 1.66 % H2O |
| |
Chlorine 3.27 % Cl 3.27 % Cl |
| |
- % Cl -0.74 % -O=Cl2 |
| |
Oxygen 35.40 % O |
| |
______ ______ |
| |
100.00 % 105.07 % = TOTAL OXIDE |
Empirical Formula: |
Na19Ca4.5Mn2+1.5Ti2.25Nb0.75Si16O46Cl2·2(H2O) |
Environment: |
In ultra-agpaitic pegmatites in a differentiated alkalic massif. |
IMA Status: |
Approved IMA 1990 |
Locality: |
On Mt. Alluaiv, In the Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
Name Origin: |
For its occurrence on Mt. Alluaiv, Kola Peninsula, Russia. |
Synonym: |
ICSD 39342 |
| |
IMA1988-052 |
| |
PDF 45-1385 |
| |
Search for Alluaivite Images |
Images:
|
|
| | |
Alluaivite Crystallography
|
Axial Ratios: |
a:c = 1:4.31439 |
Cell Dimensions: |
a = 14.046, c = 60.6, Z = 8; V = 10,354.01 Den(Calc)= 2.78 |
Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m |
X Ray Diffraction: |
By Intensity(I/Io): 2.825(1), 2.96(1), 7.14(0.8), |
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
|
|
|
Rastsvetaeva R K , Khomyakov A P , Andrianov V I , Gusev A I , Doklady Akademii Nauk SSSR , 312 (1990) p.1379-1383, Crystal structure of alluaivite, Note: eudialyte-type structure
|
|
| |
Physical Properties of Alluaivite
|
Cleavage: |
None |
Color: |
Brownish pink, Colorless. |
Density: |
2.76 |
Diaphaniety: |
Transparent |
Hardness: |
5-6 - Between Apatite and Orthoclase |
Luster: |
Vitreous (Glassy) |
Streak: |
white |
| |
Optical Properties of Alluaivite
|
Gladstone-Dale: |
CI meas= 0.056 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.063 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2237,KPDmeas= 0.2254,KC= 0.2387 |
Optical Data: |
Uniaxial (+), w=1.618, e=1.626, bire=0.0080. |
| |
Calculated Properties of Alluaivite
|
Electron Density: |
relectron=2.70 gm/cc note: rAlluaivite =2.76 gm/cc. |
Fermion Index |
Fermion Index = 0.01637 Boson Index = 0.98363 |
Photoelectric: |
PEAlluaivite = 8.75 barns/electron U=PEAlluaivite x relectron= 23.66 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Alluaivite is Not Radioactive |
| |
Alluaivite Classification
|
Dana Class: |
64.1.1.2 (64)Cyclosilicate Rings with Other Anions and Insular Silicate Groups |
| |
(64.1)with mixed ring types |
| |
(64.1.1)Eudialyte Group |
| |
64.1.1.1 Eudialyte Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2(?) R 3m 3 2/m |
| |
64.1.1.2 Alluaivite Na19(Ca,Mn)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl·2(H2O) R 3m 3 2/m |
| |
64.1.1.3 Kentbrooksite! (Na,REE)15(Ca,REE)6MnZr3NbSi25O74F2·2(H2O) R 3m 3m |
| |
64.1.1.4 Khomyakovite! Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m |
| |
64.1.1.5 Manganokhomyakovite! Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m |
| |
64.1.1.6 Oneillite! Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3 3 |
| |
64.1.1.7 Ferrokentbrooksite! Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 R 3m 3m |
| |
64.1.1.8 Ikranite! (Na,H3O)15(Ca,Mn,REE)6Fe2Zr3([],Zr)([],Si)Si24O66(O,OH)6Cl·2-3H2O R 3m 3m |
| |
64.1.1.9 Feklichevite! Na11Ca9(Fe,Fe)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 R 3m 3m |
| |
64.1.1.10 Rastsvetaevite! Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 R 3m 3m |
| |
64.1.1.11 Taseqite! Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 R 3m 3m |
| |
64.1.1.12 Carbokentbrooksite! (Na,[])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O R 3m 3m |
| |
64.1.1.13 Zirsilite-(Ce)! (Na,[])12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O R 3m 3m |
| |
64.1.1.14 Labyrinthite! (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 R 3m 3m |
| |
64.1.1.15 Aqualite! (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl R 3m 3m |
| |
64.1.1.16 Raslakite! Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) R 3m 3m |
| |
64.1.1.17 Georgbarsanovite! Na12(Mn,Sr,REE)3Ca6Fe3Zr3NbSi25O76Cl2·H2O R 3m 3m |
| |
64.1.1.18 IMA2004-026! Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(OH)3(CO3)·H2O R 3m 3m |
| |
64.1.1.19 Mogovidite! Na9(Ca,Na)6Ca6Fe2Zr3[]Si25O72(CO3)(OH)4 R 3m 3m |
Strunz Class: |
VIII/E.25-80 VIII - Silicates |
| |
VIII/E - Cyklosilicates, triplet rings, nine-rings and ten-rings |
| |
VIII/E.25 - Eudialyte - Alluaivite series |
| |
VIII/E.25-10 Eudialyte Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2(?) R 3m 3 2/m |
| |
VIII/E.25-14 Ikranite! (Na,H3O)15(Ca,Mn,REE)6Fe2Zr3([],Zr)([],Si)Si24O66(O,OH)6Cl·2-3H2O R 3m 3m |
| |
VIII/E.25-16 Raslakite! Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) R 3m 3m |
| |
VIII/E.25-20 Ferrokentbrooksite! Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 R 3m 3m |
| |
VIII/E.25-30 Kentbrooksite! (Na,REE)15(Ca,REE)6MnZr3NbSi25O74F2·2(H2O) R 3m 3m |
| |
VIII/E.25-32 Carbokentbrooksite! (Na,[])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O R 3m 3m |
| |
VIII/E.25-40 Oneillite! Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3 3 |
| |
VIII/E.25-50 Feklichevite! Na11Ca9(Fe,Fe)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 R 3m 3m |
| |
VIII/E.25-56 Zirsilite-(Ce)! (Na,[])12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O R 3m 3m |
| |
VIII/E.25-58 Taseqite! Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 R 3m 3m |
| |
VIII/E.25-60 Khomyakovite! Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m |
| |
VIII/E.25-70 Manganokhomyakovite! Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m |
| |
VIII/E.25-80 Alluaivite Na19(Ca,Mn)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl·2(H2O) R 3m 3 2/m |
| |
Other Alluaivite Information
|
References: |
NAME( AntBidBlaNic2) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19) |
See Also: |
Links to other databases for Alluaivite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
Search for Alluaivite using:
[ALTAVISTA]
[AOL]
[All-The-Web]
[HotBot]
[Ixquick]
[MAMMA]
[MSN.COM]
[Netscape]
[Scirus]
[Teoma]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Alluaivite :
AA Mineral Specimens B & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals The GeoZone Wrights Rock Shop
Translate Alluaivite Mineral Data :
Ask about Alluaivite 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 Alluaivite Specimen Label here :
|
Alluaivite
Na19(Ca,Mn++)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl·2(H2O)
Dana No: 64.1.1.2 Strunz No: VIII/E.25-80
Locality:
Notes:
|
|
| |
| |
|
| |