Rosenbuschite Mineral Data + 
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- 56.2.4.1 Baghdadite Ca3(Zr,Ti)Si2O9 P 21/a 2/m
- 56.2.4.2 Burpalite Na2CaZrSi2O7F2 P 21/a 2/m
- 56.2.4.3 Cuspidine Ca4Si2O7(F,OH)2 P 21/c 2/m
- 56.2.4.4 Lavenite (Na,Ca)2(Mn,Fe)(Zr,Ti,Nb)Si2O7(O,OH,F) P 21/a 2/m
- 56.2.4.5 Wohlerite NaCa2(Zr,Nb)Si2O7(O,OH,F)2 P 21/m 2/m
- 56.2.4.6 Niocalite Ca14Nb2(Si2O7)4O6F2 Pa m
- 56.2.4.7 Hiortdahlite (Ca,Na,Y)3(Zr,Ti)Si2O7(F,O,OH)2 P1 1
- 56.2.4.8 Rosenbuschite (Ca,Na)3(Zr,Ti)Si2O8F P1 1
- 56.2.4.9 Hainite Na4Ca8(Ti,Zr,Mn,Fe)3Si8O28F8 P1 1
- 56.2.4.10 Janhaugite (Na,Ca)3(Mn,Fe)3(Ti,Zr,Nb)2Si4O15(OH,F,O)3 P 21/n 2/m
- 56.2.4.11 Jennite Ca9Si6O18(OH)6ˇ8H2O P1 1
- 56.2.4.12 Komarovite (Ca,Mn)2(Nb,Ti)2Si2O7(O,F)2ˇ3.5(H2O) Unk Ortho
- 56.2.4.13 Na-komarovite? Na6CaNb6[Si4O12F2ˇ4(H2O) C mmm 2/m 2/m 2/m
- 56.2.4.14 Suolunite Ca2Si2O5(OH)2ˇ(H2O) F dd2 mm2
- 56.2.4.15 Mongolite Ca4Nb6Si5O24(OH)10ˇ5(H2O) Unk Tetra
- 56.2.4.16 Kristiansenite! Ca2ScSn(Si2O7)(Si2O6OH) C1 1
- 56.2.4.17 Kochite! Na2(Na,Ca)4Ca4(Mn,Ca)2Zr2Ti2(Si2O7)4(O,F)4F4 P1 1
- VIII/C.12-10 Mosandrite Na(Na,Ca)2(Ca,Ce,Y)4(Ti,Nb,Zr)(Si2O7)2(O,F)2F3 P 21 2
- VIII/C.12-20 Rinkite! Na(Na,Ca)2(Ca,Ce)4(Ti,Nb)(Si2O7)2(O,F)2 P 21 2
- VIII/C.12-30 Nacareniobsite-(Ce) NbNa3Ca3(Ce,La)(Si2O7)2OF3 P 21/a 2/m
- VIII/C.12-40 Rosenbuschite (Ca,Na)3(Zr,Ti)Si2O8F P1 1
- VIII/C.12-50 Gotzenite (Ca,Na)3(Ti,Al)Si2O7(F,OH)2 P1 1
- VIII/C.12-55 Kochite! Na2(Na,Ca)4Ca4(Mn,Ca)2Zr2Ti2(Si2O7)4(O,F)4F4 P1 1
- VIII/C.12-60 Hainite Na4Ca8(Ti,Zr,Mn,Fe)3Si8O28F8 P1 1
General Rosenbuschite Information |
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 Chemical Formula: |
(Ca,Na)3(Zr,Ti)Si2O8F | ||
| Composition: |
Molecular Weight = 390.97 gm | ||
| Sodium 4.41 % Na 5.94 % Na2O | |||
| Calcium 23.06 % Ca 32.27 % CaO | |||
| Zirconium 17.50 % Zr 23.64 % ZrO2 | |||
| Titanium 3.06 % Ti 5.11 % TiO2 | |||
| Silicon 14.37 % Si 30.74 % SiO2 | |||
| Oxygen 32.74 % O | |||
| Fluorine 4.86 % F 4.86 % F | |||
| - % F -2.05 % -O=F2 | |||
| ______ ______ | |||
| 100.00 % 100.51 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ca2.25Na0.75Zr0.75Ti0.25Si2O8F | ||
| IMA Status: |
Valid Species (Pre-IMA) 1887 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 22334 | ||
| PDF 14-447 | |||
Rosenbuschite Image | |||
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Images:
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Rosenbuschite Crystallography |
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| Axial Ratios: |
a:b:c =0.89:1:0.6467 | ||
| Cell Dimensions: |
a = 10.126, b = 11.377, c = 7.358, Z = 4; alpha = 91.3°, beta = 101.15°, gamma = 112.02° V = 770.80 Den(Calc)= 3.37 | ||
| Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.94(1), 3.06(0.8), 1.89(0.6), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Rosenbuschite |
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| Cleavage: |
[???] Perfect, [???] Distinct | ||
| Color: |
Gray, Orange, Brownish. | ||
| Density: |
3.3 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. | ||
| Habit: |
Acicular - Occurs as needle-like crystals. | ||
| Hardness: |
5-6 - Between Apatite and Orthoclase | ||
| Luminescence: |
Non-fluorescent. | ||
| Luster: |
Vitreous - Silky | ||
| Magnetism: |
Nonmagnetic | ||
| Streak: |
white | ||
Optical Properties of Rosenbuschite |
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| Gladstone-Dale: |
CI meas= 0.029 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.049 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2047,KPDmeas= 0.2091,KC= 0.2152 |
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| Optical Data: |
Biaxial (+), a=1.678, b=1.687, g=1.705, bire=0.0270 | ||
Calculated Properties of Rosenbuschite |
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| Electron Density: |
relectron=3.20 gm/cc |
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| Fermion Index |
Fermion Index = 0.03077 Boson Index = 0.96923 |
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| Photoelectric: |
PERosenbuschite = 27.23 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Rosenbuschite is Not Radioactive |
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Rosenbuschite Classification |
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| Dana Class: |
56.2.4.8 (56)Sorosilicate Si2O7 Groups and O, OH, F. and H2O | ||
| (56.2)with cations in [4] and/or >[4] coordination | |||
| (56.2.4)Cuspidine - Wohlerite group | |||
| Strunz Class: |
VIII/C.12-40 VIII - Silicates | ||
| VIII/C - Sorosilicates with [Si2O7]6-, with anions unfamiliar to tetraheders [O,OH,F] | |||
| VIII/C.12 - Götzenite - Nacareniobsite-(Ce) series | |||
Other Rosenbuschite 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 Rosenbuschite : 1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 - Am. Min. Crystal Structure Database 4 - Athena 5 - EUROmin Project 6 - Ecole des Mines de Paris 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 - Ruff.Info 17 - WWW-MINCRYST Search for Rosenbuschite using: Visit our Advertisers for Rosenbuschite : AA Mineral SpecimensB & 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 Rosenbuschite Mineral Data : Ask about Rosenbuschite here : Print or Cut-and-Paste your Rosenbuschite Specimen Label here :
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