Raite Mineral Data + 
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- 78.5.8.1 Raite Na3Mn3Ti0.25Si8O20(OH)2·10(H2O) C 2/m 2/m
- VIII/F.24-10 Balangeroite (Mg,Fe,Fe,Mn)42Si16O54(OH)40 P 2/n 2/m
- VIII/F.24-12 Tiragalloite Mn4AsSi3O12(OH) P 21/n 2/m
- VIII/F.24-20* Gageite (Mn,Mg,Zn)42Si16O54(OH)40 P1 1
- VIII/F.24-20 Gageite-2M (Mn,Mg,Zn)42Si16O54(OH)40 P 2/n 2/m
- VIII/F.24-30 Raite Na3Mn3Ti0.25Si8O20(OH)2·10(H2O) C 2/m 2/m
General Raite Information |
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 Chemical Formula: |
Na3Mn3Ti0.25Si8O20(OH)2·10(H2O) | ||
| Composition: |
Molecular Weight = 1,004.59 gm | ||
| Sodium 6.87 % Na 9.25 % Na2O | |||
| Titanium 1.19 % Ti 1.99 % TiO2 | |||
| Manganese 16.41 % Mn 21.18 % MnO | |||
| Silicon 22.37 % Si 47.85 % SiO2 | |||
| Hydrogen 2.21 % H 19.73 % H2O | |||
| Oxygen 50.96 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Na3Mn2+3Ti0.25Si8O20(OH)2·10(H2O) | ||
| IMA Status: |
Approved IMA 1973 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 85315 | ||
| PDF 25-1318 | |||
Raite Image | |||
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Raite Crystallography |
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| Axial Ratios: |
a:b:c =0.8579:1:0.3005 | ||
| Cell Dimensions: |
a = 15.1, b = 17.6, c = 5.29, Z = 2; beta = 100.05° V = 1,384.30 Den(Calc)= 2.41 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.64(1), 2.939(1), 11.4(1), | ||
Physical Properties of Raite |
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| Cleavage: |
[100] Perfect, [010] Perfect, [001] Perfect | ||
| Color: |
Brown, Violet red, Golden yellow, Reddish brown. | ||
| Density: |
2.39 | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Hardness: |
3 - Calcite | ||
Optical Properties of Raite |
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| Gladstone-Dale: |
CI meas= 0.026 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.034 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2257,KPDmeas= 0.2276,KC= 0.2337 |
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| Optical Data: |
Biaxial (-), a=1.54, b=1.542, g=1.55, bire=0.0100, 2V(Calc)=54, 2V(Meas)=53. | ||
Calculated Properties of Raite |
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| Electron Density: |
relectron=2.40 gm/cc |
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| Fermion Index |
Fermion Index = 0.01223 Boson Index = 0.98777 |
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| Photoelectric: |
PERaite = 5.26 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Raite is Not Radioactive |
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Raite Classification |
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| Dana Class: |
78.5.8.1 (78)Unclassified silicates | ||
| (78.5)possible phyllosilicates | |||
| (78.5.8)Dana Group | |||
| Strunz Class: |
VIII/F.24-30 VIII - Silicates | ||
| VIII/F - Inosilicates (chain and band) Quadruplet chains [Si4O12]8- | |||
| VIII/F.24 - Balangeroite - Raite series | |||
Other Raite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Raite : 1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 - Amethyst Galleries' Mineral Gallery 5 -Athena 6 - EUROmin Project 7 -Google Images 8 -Google Scholar 9 -Handbook of Mineralogy (MinSocAm) 10 -Handbook of Mineralogy (UofA) 11 -MinDAT 12 -MinMax(Deutsch) 13 -MinMax(English) 14 -Mineralienatlas (Deutsch) 15 -QUT Mineral Atlas 16 - WWW-MINCRYST 17 -École des Mines de Paris Search for Raite using: Visit our Advertisers for Raite : Translate Raite Mineral Data : Ask about Raite here : Print or Cut-and-Paste your Raite Specimen Label here :
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